M4maths Previous Puzzles

10 Oct 2013 Coded Language

If in coded language
8465 = 15
4758 = 4
3985 = 9
Then
4114 = ?

OPtion

1) 24
2) 18
3) 16
4) 14
5) 11
6) 8
7) 7
8) 6
9) 5
10)None of these

Solution

8465 = 8*4*6*5 = 960 = 9+6+0 = 15
4758 = 4*7*5*8 = 1120 = 1+1+2+0 = 4
3985 = 3*9*8*5 = 1080 = 1+0+8+0 = 9
Then
4114 = 4*1*1*4 = 16 = 1+6 = 7

Correct Option: 7 Best Solution (45)

Rats   11 years AGO

after multipying all the digits add the digits of the number you get.
8465=8*4*6*5=960=9+6+0=15
4758=4*7*5*8=1120=1+1+2+0=4
3985=3*9*8*5=1080=1+0+8+0=9
So for,
4114=4*1*1*4=16=1+6=7.....Ans

Like? Yes (23) | No (4)  

Khushboo   11 years AGO

8465:
8*4*6*5=960 => 9+6+0= 15

4758:
4*7*5*8=1120 => 1+1+2+0 =4

3985:
3*9*8*5= 1080 => 1+0+8+0 =9

Therefore,
4114:
4*1*1*4=16 => 1+6 =7 (option 7) Ans

Like? Yes (3) | No   

abhinav paul   11 years AGO

the coding is multiplication of digits and the sum of digits of the resultant number.
8465= 8*4*6*5=960 -> 9+6+0= 15
3*9*8*5=1080 -> 1+0+8+0=9
so, 4*1*1*4=16 -> 1+6=7

Like? Yes (3) | No   

SUNDARAM   11 years AGO

Multiply each digits of the given number and add each digit of the product of above.

8465=8*4*6*5=960=9+6+0=15
4758=4*7*5*8=1120=1+1+2+0=4
3985=3*9*8*5=1080=1+0+8+0=9
4114=4*1*1*4=16=1+6=7

Like? Yes (3) | No (1)  

utkarsh bisht   11 years AGO

8*4*6*5=960--->9+6+0=15
4*1*1*4=16---->1+6=7

Like? Yes (2) | No   

sanjeev kumar   11 years AGO

8*4*6*5=960, => 9+6+0=15
4*7*5*8=1120 => 1+1+2+0=4
3*9*8*5=1080, =>1+0+8+0=9
4*1*1*4=16, =>1+6=7

Like? Yes (4) | No (3)  

vikash kumar   11 years AGO

8*4*6*5 =960, 9+6+0= 15
4*7*5*8 =1120, 1+1+2+0=4
3*9*8*5 = 1080, 1+0+8+0=9
4*1*1*4 = 16,1+6= 7
option 7) 7 is the answer

Like? Yes (1) | No   

raghuram dharmavarpu   11 years AGO

multiply and summation product
8*4*6*5=960=>9+6+0=15
4*7*5*8=1120=>1+1+2+0=4
3*9*8*5=1080=>1+0+8+0=9
4*1*1*4=16=>1+6=>7

Like? Yes (1) | No   

rohit kumar   11 years AGO

8645=8*6*4*5=960 i.e add all digits 9+6+0=15
4758=4*7*5*8=1120 i.e add all digits 1+1+2+0=4
3985=3*9*8*5=1080 i.e add all digits 1+0+8+0=9
now,
4114=4*1*1*4=16 i.e add all digits=1+6=7

Like? Yes (3) | No (2)  

k n v v subbarao   11 years AGO

8*4*6*5 = 960, 9+6+0 = 15
4*7*5*8 = 1120, 1+1+2+0 = 4
3*9*8*5 = 1080, 1+0+8+0 = 9
Then
4*1*1*4 = 16, 1+6 = 7

Like? Yes (1) | No   

SNEHA   11 years AGO

8465:-8×4×6×5=960=9+6+0=15
4758:-4×7×5×8=1120=1+1+2+0=4
3985:-3×9×8×5=1080=1+0+8+0=9
So, 4114=4×1×1×4=16=1+6=7

Like? Yes (1) | No   

Dheeraj Maulekhi   11 years AGO

Ans is 7

8*4*6*5=960 =>9+6+0=15
4*7*5*8=1120 =>1+1+2+0=4
3*9*8*5=1080 =>1+0+8+0=9
4*1*1*4=16 =>1+6=7

Like? Yes (1) | No   

susmit   11 years AGO

8*4*6*5 = 960, 9+6+0 = 15.
4*7*5*8 = 1120, 1+1+2+0 = 4
3*9*8*5 = 1080, 1+0+8+0 = 9
Hence, 4*1*1*4 = 16, 4+1+1+4 = 7.
Hence, option no.(7)

Like? Yes (1) | No   

Grishma Shah   11 years AGO

The coded is the language is the sum of the digit of multiplication of The digits given.

8*4*6*5 = 960 = 9+6+0 = 15
Hence for 4114 = 4*1*1*4 =16 = 1+6 = 7

Like? Yes (1) | No   

Harsh Poddar   11 years AGO

8465=8*4*6*5=960=9+6+0=15
4758=4*7*5*8=1120=1+1+2+0=4
3985=3*9*8*5=1080=1+0+8+0=9
so
4114=4*1*1*4=16=1+6=7
option 7

Like? Yes (1) | No   

sivaraman   11 years AGO

4*1*1*4=16 so 1+6 = 7
answer is 7

Like? Yes (1) | No   

ABHISHEK KUMAR MISHRA   11 years AGO

8*4*6*5=960 then 9+6+0=15
4*7*5*8=1120 then 1+1+2+0=4
3*9*8*5=1080 then 1+0+8+0=9
4*1*1*4=16 then 1+6=7 i.e 7) option answer

Like? Yes (1) | No   

Dharmendra Singh   11 years AGO

Ans. 7) 7
Explanation: 1.Multiply all the digits
2. Add the digits of product.
So 1. 4114=4*1*1*4=16
2. 1+6=7

Like? Yes (1) | No   

BHARGAV ARYASOMAYAJULA   11 years AGO

sum of the product of individual digits is the code given to each number
(8*4*6*5)=960(9+6=15)
(4*7*5*8)=1120(1+1+2+0=4)
(3*9*8*5)=1080(1+0+8+0=9)
similarly,4114=(4*1*1*4)=16(1+6=7)
hence answer is 7

Like? Yes (1) | No   

Asit Shukla   11 years AGO

8465=8*6*4*5=960=9+6+0=15
4758=4*7*5*8=1120=1+1+2+0=4
3985=3*9*8*5=1080=1+0+8+0=9

in the same way
4114=4*1*1*4=16=1+6=7

Like? Yes (1) | No   

Suresh Varma P   11 years AGO

8465 - 8*4*6*5 = 960 - 9+6+0 = 15
4758 - 4*7*5*8 = 1120 - 1+1+2+0 = 4
3985 - 3*9*8*5 = 1080 - 1+0+8+0 = 9
4114 - 4*1*1*4 = 16 - 1+6 = 7
Ans: Option 7

Like? Yes (2) | No (1)  

BALAMURUGAN   11 years AGO

8*4*6*5=960 =(9+6+0)=15

4*7*5*8=1120=(1+1+2+0)=4

3*9*8*5=1080=(1+0+8+0)=9

4*1*1*4=16=(1+6) =7

ans=7

Like? Yes (1) | No   

KARUPPASAMY C   11 years AGO

8*4=32, 6*5=30, then (32*30=960),so 9+6=15
4*7=28, 5*8=40, then (28*40=1120),so 1+1+2=4
3*9=27, 8*5=40, then (27*40=1080),so 1+8=9
4*1=4, 1*4=4, then (4*4=16),so 1+6=7
so potion is (7)

Like? Yes (1) | No   

kumar sundram   11 years AGO

here,
8465=8*4*6*5=960=(9+6+0)=15;
4758=4*7*5*8=1120=(1+1+2+0)=4;
3985=3*9*8*5=1080=(1+0+8+0)=9;
so,
4114=4*1*1*4=16=(1+6)=7

Like? Yes (1) | No   

ishwar dutt   11 years AGO

8*4*6*5=960 & 9+6+0=15
4*7*5*8=1120 & 1+1+2+0=4
3*9*8*5=1080 & 1+0+8+0=9
4*1*1*4=16 & 1+6=7

Like? Yes (1) | No   

prateek jain   11 years AGO

8465=8*4*6*5=960=9+6+0=15;
4758=4*7*5*8=1120=1+1+2+0=4;
3985=3*9*8*5=1080=1+0+8+0=9;
4114=4*1*1*4=16=1+6=7
ans=7.

Like? Yes (1) | No   

ravi singh   11 years AGO

answer is 7

multiply all the digit and the then take sum of digit means
8*4*6*5=960=9+6+0=15

similarly, 4*1*1*4=16=1+6=7

hence option 7

Like? Yes (1) | No   

SHERIN ABOOBEKER   11 years AGO

8*4*6*5=960(sum of digits by multiplying given digits is the answer)
9+6+0=15
4*1*1*4=16
1+6=7

Like? Yes (1) | No   

Prakash kumar   11 years AGO

multiply all the digits then sum the digits of the multilied ans.
4*1*1*4 = 16
then
1+6 = 7

Like? Yes (1) | No   

LAKSHMI ROJA   11 years AGO

8*4*6*5=960=9+6+0=15
4*7*5*8=1120=1+1+2+0=4
3*9*8*5=1080=1+0+8+0=9
so 4*1*4*1=16=1+6=7
therefore answer is 7 i.e., option 7

Like? Yes (1) | No   

prabhat kumar   11 years AGO

8*4*6*5=960=9+6+0=15
4*7*5*8=1120=1+1+2+0=4
3*9*8*5=1080=1+0+8+0=9
so
4114=4*1*1*4=16=1+6=7

Like? Yes (2) | No (1)  

ShAg   11 years AGO

8*4*6*5 = 960 => 9+6 = 15
4*7*5*8 = 1120 => 1+1+2+0 = 4
3*9*8*5 = 1080 => 1+0+8+0 = 9
4*1*1*4 = 16 => 1+6 = 7

Like? Yes (1) | No   

Bholanath    11 years AGO

multiple the digits and after that add the all the digit to get the answer
8465=8*4*6*5=960 sum of digits=15
4758=4*7*5*8=1120 sum of digits=4
3985=3*9*8*5=1080 sum of digits=9
similarly, 4114= 4*1*1*4=16 sum of digits =7
so, answer is 7.

Like? Yes (1) | No   

Anurag Choubey   11 years AGO

8*4*6*5=960=9+6+0=15
4*7*5*8=1120=1+1+2+0=4
3*9*8*5=1080=9
hence, 4*1*4*1=16=7

Like? Yes (1) | No   

ashish kumar tomer   11 years AGO

ans = 7

8*4*6*5=960 so 9+6+0=15
4*7*5*8=1120 so 1+1+2+0=4
3*9*8*5=1080 so 1+0+8+0=9
then 4*1*1*4=16 so 1+6=7 ans

Like? Yes (1) | No   

Ezhilarasi   11 years AGO

8465=(8*4*6*5)=960
i.e=9+6+0=15
therfore
4114=4*1*1*4=16
1+6=7

Like? Yes (1) | No   

KALIDASS   11 years AGO

8*4*6*5=960=9+6+0=15
4*7*5*8=1120=1+1+2+0=4
3*9*8*5=1080=1+0+8+0=9
4*1*4*4=16=1+6=7

Like? Yes (1) | No   

Nitish kumar   11 years AGO

ans =8*4*6*5=960=9+6+0=15......so....on
4*1*1*4=16=1+6=7 is ans

Like? Yes (1) | No   

raiyan hassan   11 years AGO

4*1*1*4=16
now 1+6=7
so answr is 7

Like? Yes (1) | No   

Priyanka thakur   11 years AGO

8465=8*4*6*5=960=9+6+0=15
4758=4*7*5*8=1120=1+1+2+0=4
3985=3*9*8*5=216=2+1+6=9
therefore
4114=4*1*1*4=16=1+6=7
ans=7

Like? Yes (1) | No (1)  

Dinesh thatti   11 years AGO

8*4=32 6*5=30 32*30=960 => 9+6+0=15

4*7=28 5*8=40 28*40=1120 => 1+1+2=4

3*9=27 8*5=40 27*40=1080=> 1+0+8+0=9

4*1=4 1*4=4 4*4=16 =>1+6=7

Like? Yes (1) | No (1)  

dudhanath patel    11 years AGO

8*4*6*5=960->9+6+0=15
4*7*5*8=1120->1+1+2+0=4
3*9*8*5=1080->1+0+8+0=9
Similarly
4*1*1*4=16->1+6=7
ANS:7
Option:7

Like? Yes (1) | No (1)  

Puvanesh kumar   11 years AGO

8*4=32; 6*5=30; 32*30=960; 9+6+0=15,............
4*1=4; 1*4=4; 4*4=16; 1+6=7

Like? Yes (1) | No (1)  

asha   11 years AGO

4*1*1*4=16
1+6=7

Like? Yes (1) | No (1)  

Udhaya kumar   11 years AGO

addition of individual digits which is obtained by producting the given number
8*4*6*5=960;;;9+6+0=15
similarly 4114;;4*1*1*4=16;;;1+6=7
Ans is 7......

Like? Yes (1) | No (2)  

09 Oct 2013 Find the number of sheets

A sheet has dimensions 800 cm.*600 cm.*10 mm. How many such sheets take a total volume of 463.2 m^3.

OPtion

1) 895
2) 985
3) 995
4) 975
5) 965
6) 885
7) 875
8) 865
9) 855
10) 845

Solution

Volume of one sheet = length* width* thickness
= 800 cm.* 600 cm.* 1 cm.
= 480000 cm^3
Given Total volume = 463.2 m^3
No. of sheets = 463.2 m^3/480000 cm^3
= 463.2 m^3/.48 m^3
= 965
option 5

Correct Option: 5 Best Solution (58)

Sanjay gupta   11 years AGO

sheet dimensions given 800cm*600cm*10mm
so sheet vol=8*6*0.01=0.48m^3
total vol=463.2m^3 so
no of sheet=463.2/0.48=965 ans

Like? Yes (7) | No (4)  

Dr.Dipin Singh   11 years AGO

No of sheets reqd= (463.2*10^6)/(800*600*1.0)= 965

Like? Yes (3) | No   

Grishma Shah   11 years AGO

Converting centimeter to meter:
800 cm=8 mt
600 cm=6 mt
10mm=0.01mt

Multiplying results 0.48
Dividing by total volume = 463.2/0.48 = 965

Like? Yes (2) | No (1)  

Mayuresh Srivastava   11 years AGO

n*(800/100)(600/100)(10/1000)=463.2(all in metres).
n=965.

Like? Yes (2) | No (1)  

mithun kumar   11 years AGO

volum of sheet 800,600,10 and vol of sheet 463.2^3 are equals and find =965

Like? Yes (1) | No   

killer   11 years AGO

1mm=1/10cm and 1m=100cm
so
no. of sheets=463.2*100*100*100cm^3/800*600*.10cm^3
=965

Like? Yes (1) | No   

ShAg   11 years AGO

800cm = 8m
600cm = 6m
10mm = 0.01m
volume of 1 sheet = 8*6*0.01 = 0.48m^3
so (463.2/0.48)=965 sheets take total volume 463.2m^3

Like? Yes (1) | No   

Ramakant Shukla   11 years AGO

volume of one sheet=8*6*0.01=0.48m^3
no.of sheets=total volume/volume of one sheet=463.2/0.48=965

Like? Yes (1) | No   

Neha Saxena   11 years AGO

volume of sheet=8*6*0.01 m^3=0.48 m^3
hence no. of sheets=463.2/0.48=965

Like? Yes (1) | No   

Parshant garg   11 years AGO

Total V divide by volume of a sheet

Like? Yes (1) | No   

Nipun saini   11 years AGO

(463.2*100*100*100)/(800*600*1)=965

Like? Yes (1) | No   

Disha Agarwal   11 years AGO

volume of 1 sheet= 800*600*1 cm^3
no. of sheets= (463.2*100*100*100)/(800*600)
= 965

Like? Yes (1) | No   

sc mandota   11 years AGO

Answer is965

Like? Yes (1) | No   

khushboo singh   11 years AGO

(463.2)/(800*600*10/10000000)=965

Like? Yes (1) | No   

ravi singh   11 years AGO

answer is 965

the volume of smallest one is

A=0.48 m^3

and volume largest one is B=463.2 ^3

hence total m=B/A=965

option 5

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Pradyumna K S   11 years AGO

0.8*0.6*0.01=0.48m^3
463.2/0.48=965

Like? Yes (2) | No (1)  

Rahul Kumar   11 years AGO

Total volume divided by volume of one sheet

Like? Yes (1) | No   

rohit kumar   11 years AGO

given,
total volume=463.2m^3
volume of sheet=(800/100)m*(600/100)m*(10/1000)m=.48m^3
number of sheets=463.2/.48=965.....ANS

Like? Yes (5) | No (5)  

Rats   11 years AGO

volume of one sheet=
8*6*.01=0.48m^3
No. of sheets required=
463.2/0.48=965............Ans

Like? Yes (3) | No (3)  

kumar sundram   11 years AGO

volume of one sheet=(800/100)*(600/100)*(10/1000)m^3
=8*6*0.01=0.48m^3
so, the no. of sheets which takes total voume of 463.2m^3=463.2/0.48=965.
thus the total no of sheets=965.

Like? Yes (1) | No (1)  

SHERIN ABOOBEKER   11 years AGO

volume of sheet is l*b*h
800 cm=8 m,600 cm= 6 m,10 mm=.01 m
vol=8*6*.01=.48
no:of sheets=463.2/.48=965

Like? Yes (1) | No (1)  

Asit Shukla   11 years AGO

463.2/(8*6*0.01)=965

Like? Yes (1) | No (1)  

Devendra Marghade   11 years AGO

800cm=8 m,600cm=6m, 10mm=0.01m
Number of sheets in volume 463.2 m^3
=463.2/(8*6*0.01)=463.2/0.48= 965

Like? Yes (1) | No (1)  

ABHISHEK KUMAR MISHRA   11 years AGO

total no of sheets=463.2*(100)^3 /48*(100)^2=9.65*100=965 so option is 5)
10mm=1cm

Like? Yes (2) | No (2)  

Khushboo   11 years AGO

volume of one sheet = (800/100)*(600/100)*(10/1000)m^3=0.48m^3
therefore,no of sheets take a volume of 463.2m^3 =463.2/0.48 = 965.................(option 5)Ans

Like? Yes (1) | No (1)  

Suman Saurabh   11 years AGO

volume of sheet=8m*6m*0.01m=0.48m^3
number of sheets= 463.2m^3/0.48m^3=965

Like? Yes (2) | No (2)  

DINKAR BHARTI   11 years AGO

volume=463.2m^3=463.2*10^6cm^3
dimension of sheet=(800cm*600cm*1mm)=(800cm*600cm*1cm)
so,nuber of sheets=(463.2*10^6)/(800*600*1)=965(opt 5)

Like? Yes (1) | No (1)  

chirayu thakuria   11 years AGO

volume= 463.2

vol per sheet = 8*6*.01

no of sheet = 463.2/8*6*.01 = 965

Like? Yes (1) | No (1)  

SNEHA   11 years AGO

800 cm=8m
600 cm=6m
1mm=0.01m
Volume=8×6×.01=0.48 m^3
So no. Of sheets needed=463.2÷0.48=965

Like? Yes (1) | No (1)  

BALAMURUGAN   11 years AGO

volume of the one sheet is =0.48m^3

total volume of the sheet is=463.2m^3

so number of sheet is =463.2/0.48

number of sheet =965

Like? Yes (1) | No (1)  

sanjeev kumar   11 years AGO

800cm = 8m
600cm = 6m
10mm = 0.01m
vol of a sheet = 8*6*0.01 = 0.48m^3

so that 463.2m^3/0.48m^3 = 965

Like? Yes (2) | No (2)  

RAHUL PATEL   11 years AGO

let the number of dimensions be x
then vol=l*b*h
as per ques
vol*x=463.2
=>800*10^-2*600*10^-2*10*1000^-3*x=463.20
=>x=965

Like? Yes (2) | No (2)  

NIDHI   11 years AGO

No. of sheets = (463.2)/8*6*0.01
=965

Like? Yes (2) | No (2)  

abhishek   11 years AGO

600cm=6m
800cm=8m
10mm=.01m
463.2/(6*8*.01)=965
Hence ans=965

Like? Yes (1) | No (1)  

Muhammad Nadeem Haider Naseem   11 years AGO

800cm=8m
600cm=6m
10mm=0.01m
volume of one sheet= 0.48m^3
No. of sheets=463.2m^3/0.48m^3=965

Like? Yes (2) | No (2)  

ashish   11 years AGO

no if sheets =toal volume /volume of one sheet
463.2 m^3/8m *6m *10*10^-3 m

Like? Yes (1) | No (1)  

Fighter   11 years AGO

total volume/(volume of each sheet)=(463.2)/(0.48)=965

Like? Yes (1) | No (1)  

Md Shahnawaz Shahab   11 years AGO

volume of 1 such sheet = 800/100 * 600/100 * 10/1000
= 8*6/100 = .48 m^3
no. of sheets in 463.2 m^3 = 463.2/0.48 = 965

Like? Yes (1) | No (1)  

paramanand   11 years AGO

converting the dimensions into metre..then
perform the below operations.
463.2/(8*6*.01)=965

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SUSHANT RANJAN   11 years AGO

8*6*.01=.48m^3
463.2/.48=965

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Radheshyam   11 years AGO

sheet dimensions is=
-->l=800cm
800/100=8 m
so l=8m
-->w=600cm
600/100=6m
w=6m
h=10mm
10/1000=.01m
h=.01m

volume of sheet=l*w*h
8*6*.01=.48m^3

total volume is=463.2 m^3

so no of sheets=463.2/.48=965
so answer is 995 sheets

Like? Yes (1) | No (1)  

raghuram dharmavarpu   11 years AGO

volume]=l*b*h
so that number of sheets=total volume/one sheet volume
no of sheets=(463.2)/(8*6*.01)=965

Like? Yes (1) | No (1)  

Rashmi bharti   11 years AGO

Volume of a sheet = 6*8*0.01=12/25
No of sheets required = 463.2 m^3 /(12/25)m^3 =965

Like? Yes (1) | No (1)  

saurabh gupta   11 years AGO

463.2/(8*6*(1/100))= 965

Like? Yes (1) | No (1)  

LAKSHMI ROJA   11 years AGO

The volume wirh the given dimensions is 480000000000
463.2 is equal to x* 48*10power10 by solving this we get x value as 965

Like? Yes (1) | No (1)  

sivaraman   11 years AGO

volume of area = l * b *a
convert all to in meter

so volume of sheet= 8*6*0.01
=0.48
volume of n sheet= 463.2
n * 0.48 = 463.2
n=463.2/0.48
=965
so answer is 965

Like? Yes (1) | No (1)  

jatin patware   11 years AGO

(463.2/800*600*10)*10^5=965

Like? Yes (1) | No (1)  

ashish kumar tomer   11 years AGO

first convert the cm & mm into m
i.e. 8*6*.01=0.48 m^3
now 463.2/.48 which gives 965 sheets

Like? Yes (1) | No (1)  

utkarsh bisht   11 years AGO

volume of one sheet=600*800*10/(100*100*10*100)=.48 m^3
therefore number of sheets having this volume will be n*.48=463.2
n=965

Like? Yes (2) | No (2)  

Aakash Kumar   11 years AGO

no of sheets=total vol/volume per sheets

Like? Yes (1) | No (1)  

Amresh kumar   11 years AGO

463.2m^3/(8*6*0.01)m^3=965 no. of sheets

Like? Yes (1) | No (1)  

abhinav paul   11 years AGO

800cm*600cm*10mm is equivalent to 8m*6m*.01m which equals .48m^3..
total volume=463.2m^3
so number of sheets= total volume/vol of one sheet.
i.e. 463.2/0.48= 965

Like? Yes (1) | No (1)  

Pankaj Aswani   11 years AGO

volume of 1 sheet = 8*6*.01 = 0.48 m^3
Therefore for volume being 463.2 m^3,
number of sheets required will be,
463.2/0.48 = 965 sheets.

Like? Yes (1) | No (1)  

Anand   11 years AGO

8oocm=8m; 600cm=6m; 10mm=0.01m
Total volume=8*6*0.01=0.48m^3.
so,Total no of sheets made :- 463.2/0.48=965

Like? Yes (1) | No (1)  

Kunal Verma   11 years AGO

vol/page=800 cm.*600 cm.*10 mm.= 5400000/100*100*1000 m^3= 0.48m^3

nos of pages= 462.3m^3/0.48m^3
=965

Like? Yes (2) | No (3)  

Amisha Agarwal   11 years AGO

vol/page=800 cm.*600 cm.*10 mm.= 5400000/100*100*1000 m^3= 0.48m^3

nos of pages= 462.3m^3/0.48m^3
=965

Like? Yes (2) | No (3)  

MUKESH KUMAR   11 years AGO

n*8 m * 6 m* 0.1 m = 463.2

So, n =965

Like? Yes (2) | No (3)  

prabhat kumar   11 years AGO

the total no. of sheets=463.2/8*6=965

Like? Yes (3) | No (4)  

08 Oct 2013 Solve

If
3421 = 4
3178 = 8
875 = 0
Then
8474 = ?

OPtion

1) 9
2) 8
3) 7
4) 6
5) 5
6) 4
7) 3
8) 2
9) 1
10)None of these

Solution

3421 = 3*4*2*1 = 24 = (only unit place is taken) 4
3178 = 3*1*7*8 = 168 = (only unit place is taken) 8
875 = 8*7*5 = 280 = (only unit place is taken) 0
Similarly
8474 = 8*4*7*4 = 896 = (only unit place is taken) 6

Correct Option: 4 Best Solution (39)

Rats   11 years AGO

last digit after multiplying all the digits in number.
3421=3*4*2*1=24=4(last digit)
3178=3*1*7*8=168=8
875=8*7*5=280=0
So for
8474=8*4*7*4=896=6.........Ans

Like? Yes (15) | No (3)  

rohit kumar   11 years AGO

3*4*2*1=24 i.e last digit 4
3*1*7*8=448 i.e last digit 8
8*7*5=280 i.e last digit 0
so,
for 8474=8*4*7*4=896 last digit 6

Like? Yes (4) | No (1)  

Vignesh   11 years AGO

Last digit of the Products.

3421 = 3*4*2*1 = 24 -> Last digit= 4
3178 = 3*1*7*8 = 168 -> Last digit = 8
875 = 8*7*5 = 280 -> Last digit = 0

Therefore,
8474 = 8*4*7*4 = 896 -> Last digit = 6

Like? Yes (2) | No   

Parveen Soni   11 years AGO

Multiply all digits and write last digit
e.g 3*4*2*1=24 write 4 and similarly for others.
for 8474 we have unit place digit 6 of 8*4*7*4. Hence option 4.

Like? Yes (3) | No (1)  

Kumar Ankit   11 years AGO

3421=(4*1)=04=unit digit(04)=4
3178=(1*8)=08=unit digit(08)=8
0875=(8*5)=40=unit digit(40)=0
8474=(4*4)=16=unit digit(16)=6

Like? Yes (1) | No   

Saurabh keshri   11 years AGO

3*4*2*1=24(unit digit=4)
3*1*7*8=168(unit digit=8)
and 8*7*5=280(unit digit=0)
similarly...
8*4*7*4=896 (unit digit=6)
Hence, option number 4 is correct answer.

Like? Yes (2) | No (1)  

risha anand   11 years AGO

3*4*2*1=24, given- 3421=4
3*1*7*8=168 given- 3178=8
8*7*5=280 given- 875=0
so
8*4*7*4=896 ans will be 6 i.e 4th option

Like? Yes (1) | No   

sivaraman   11 years AGO

3*4*2*1=24 the last digit 4
.
.
.
so
8*4*7*4=896 last digit is 6 so answer is 6

Like? Yes (1) | No   

Kanika   11 years AGO

3*4*2*1=24 so 4 i.e. last digit
3*1*7*8=168 so 8
8*7*5=280 so 0
8*4*7*4=896 so 6

Like? Yes (1) | No   

Indrajeet Raut   11 years AGO

after multiplying the unit digit=
3*4*2*1=4
so.............
on............
8*7*5=unit digit =0;
so on.............
8*4*7*4=unit digit =4
so option is 6

Like? Yes (1) | No   

Manish Kumar   11 years AGO

3*4*2*1=24, Take unit digit 4
3*1*7*8=168 Take unit digit 8
8*7*5=280 Take unit digit 0
Then
8*4*7*4=896 Take unit digit 6

So option 4 is correct.

Like? Yes (1) | No   

Devendra Marghade   11 years AGO

Answer=digit at unit place after multiplying all digits of the number.
3421=3*4*2*1= 24= 4
3178=3*1*7*8= 168= 8
875=8*7*5= 280= 0
8474=8*4*7*4= 896= 6

Like? Yes (1) | No   

Akshatha   11 years AGO

units digit of product of the digits

Like? Yes (1) | No   

kumar sundram   11 years AGO

3*4*2*1=24, unit place digit is 4
3*1*7*8=168, unit place digit is 8
8*7*5=280, unit place digit is 0
8*4*7*4=896, unit place digit is 6

Like? Yes (1) | No   

Khushboo   11 years AGO

3*4*2*1=24 its last digit is 4 hence 3421 taken as similarly for 3178, 3*1*7*8=168, last digit is 8,and for 875, 8*7*5=280, last digit(digit at ones place)is 0 hence 875 is taken as 0.
Now for 8474, 8*4*7*4=896, last digit is 6 hence answer is 6(option 4).

Like? Yes (1) | No   

abhinav paul   11 years AGO

3421-> 3*4*2*1= 24- unit digit=4
3178-> 3*1*7*8=168- unit digit=8
so,
8474-> 8*4*7*4=896- unit digit=6

Like? Yes (1) | No   

Harsh Poddar   11 years AGO

3421=3*4*2*1=24
last digit 4
3178=3*1*7*8=168
last digit 8
875=8*7*5=280
last digit 0
so 8474=8*4*7*4=896
last digit 6
option 4

Like? Yes (1) | No   

NIDHI   11 years AGO

3421 = 4
3178 = 8
875 = 0
Then
8474 = 6

Like? Yes (3) | No (2)  

Anantharaman   11 years AGO

3421 = 3*4*2*1=24 = last digit 4
3178 = 3*1*7*8=168 = 8

875 = 8*7*5 = 280 = 0

So 8474 = 8*4*7*4 = 896 = 6

Answer 6: Option 4

Like? Yes (1) | No   

Dr.Dipin Singh   11 years AGO

3421 = 4... last digit of product 3*4*2*1
3178 = 8... last digit of product 3*1*7*8
875 = 0... last digit of product 8*7*5
Then
8474 = ... last digit of product 8*4*7*4 =6

Like? Yes (2) | No (1)  

YUVAN SATHAIAH   11 years AGO

above solution is
3*4*2*1=24
the answer is last digit number 4
3*1*7*8=168
the answer is last digit number 8
8*7*5=280
the answer is last digit number 0
8*4*7*4=896
the answer is last digit number 6

Like? Yes (2) | No (1)  

sandipan patra   11 years AGO

3*4*2*1=24 we take 4(digit of unit's position)
3*1*7*8=168 .......8.......................
8*7*5=560..........0.......................
8*4*7*4=896........6.......................

Like? Yes (1) | No   

SHERIN ABOOBEKER   11 years AGO

Since 3*4*2*1=24,last digit=4
3*1*7*8=168,last digit=8
8*7*5=280,last digit=0
8*4*7*4=896,last digit=6

Like? Yes (1) | No (1)  

Dinesh thatti   11 years AGO

3*4*2*1=24 eliminate first digits we get 4
3*1*7*8=168 \'\' \'\' \'\' \' \' 8
8*7*5=280 \" \" \" \" \" 0
8*4*7*4=896 \" \" \" \" \" \" \" \" \"\" \" \" \" 6

Like? Yes (1) | No (1)  

Balakumaran N.A   11 years AGO

Multiply each digits and take unit digit.
3*4*2*1 = 24 = unit digit 4
3*1*7*8 = 168 = unit digit 8
Same way,
8*4*7*4 = 896 = unit digit 6 is the answer.

Like? Yes (2) | No (2)  

ABHISHEK KUMAR MISHRA   11 years AGO

3*4*2*1=24 last digit is 4
3*1*7*8=168 last digit is 8
8*7*5=280 last digit is 0
in the same way 8*4*7*4=896 so the last digit is 6

Like? Yes (2) | No (2)  

Nikhil kumar   11 years AGO

3*4*2*1=24=4=unit digit
3*1*7*8=unit digit 8
....................
8*4*7*4=unit digit 6
so option is 4

Like? Yes (1) | No (1)  

vikash kumar   11 years AGO

3*4*2*1 = 24 ,last term = 4
3*1*7*8 = 168,last term = 8
8*7*5 = 280,last term = 0
8*4*7*4 = 896,last term = 6
ans is 6

Like? Yes (1) | No (1)  

Radheshyam   11 years AGO

3*4*2*1=24 3421=4
3*1*7*8=168 3178=8
8*7*5=280 875=0
8*4*7*4=896 8474=6

takes last digit of multiplication of the digit so that answer option is 4 and 8474=6.

Like? Yes (1) | No (1)  

Grishma Shah   11 years AGO

Multiply all the digits. Its ones place no. Is answer.
8474=8*4*7*4=896.
Answer is 6.

Like? Yes (1) | No (1)  

prabhat kumar   11 years AGO

342=3*2*4=24=4
3178=3*1*7*8=168=8
875=8*7*5=280=0
so
8474=8*4*7*4=896=6

Like? Yes (2) | No (2)  

Md Shahnawaz Shahab   11 years AGO

3421 = 4*1 = 4
3178 = 1*8 = 8
875 = 8*5 = 40 = 4*0 = 0

therefore, 8474 = 4*4 = 16 = 1*6 = 6

Like? Yes (1) | No (1)  

utkarsh bisht   11 years AGO

write only unit digit of the product of digits of number.like 4*3*2*1=24 we will take 4 then in same way 3*1*7*8=168 we ll take 8 of this ..8*7*5=280 we ll take 0 hence for 8*4*7*4=896 we ll take 6 hence answer is 6.

Like? Yes (2) | No (2)  

Maya   11 years AGO

3421=4;4*1=4
3178=8;8*1=8
875=0;8*5=40 only 0 is taken
so,
8474=6;4*4=16 only unit place number is taken

Like? Yes (1) | No (1)  

prateek jain   11 years AGO

the reason is
we will multiply the one's place digit and hundred's place digit and if we will get the answer in two digits then we will choose the end digit and that will be the answer.
eg. 4*1=4
1*8=8
8*5=40 (in which we will take the last digit. i.e. 0)
4*4=16 (in which we will take the last digit. I.e. 6)
So the answer is 6.

Like? Yes (1) | No (1)  

Ranjit Somisetty   11 years AGO

unit decimal of multiplication of digits

Like? Yes (1) | No (1)  

Dharmendra Kumar Rajak   11 years AGO

According to question
here
3*4*2*1=24 last digit is 4
3*1*7*8=168 last digit is 8
8*7*5=280 last digit is 0
then similarly
8*4*7*4=996 last digit is 6

Like? Yes (1) | No (1)  

Sagar Jinachandran   11 years AGO

multiplying each digits of the number we get
3*4*2*1=24
taking the last digit of the product=4
similarly
3*1*7*8=168
taking the last digit of the product=8
8*7*5=280 =0
similarly
8*4*7*4= 896
so taking its last digit = 6

Like? Yes (2) | No (3)  

Nitish kumar   11 years AGO

3*4*2*1=unit digit=4
so 0n...........8*4*7*4=unit digit=6

Like? Yes (1) | No (2)  

07 Oct 2013 Sequence

What is the next number of the following sequence
90,110,132,156,........

OPtion

1) 380
2) 342
3) 306
4) 272
5) 240
6) 210
7) 182
8) 153
9) 153
10)None of these

Solution

10^2-10 = 90
11^2-11 = 110
12^2-12 = 132
13^2-13 = 156
same
14^2-14 = 182

Correct Option: 7 Best Solution (105)

Dr.Dipin Singh   11 years AGO

90(9*10),110(10*11),132(11*12),156(12*13),
Bext no will be 182(13*14)

Like? Yes (11) | No (1)  

GnanaMeena   11 years AGO

Let the next number be \'x\'.
difference between 90 and 110 is 20.
difference between 110 and 132 is 22.
difference between 132 and 156 is 24.
so the difference between 156 and x should be 26.
Therefore x=156+26=182.

Like? Yes (6) | No (1)  

Md Intshamuddin   11 years AGO

90==9^2+9
110==10^2+10
132==11^2+11
156==12^2+12
hence 13^2+13=182

Like? Yes (6) | No (2)  

Nitish kumar   11 years AGO

the sequence is increasing as like 20,22,24,then next one is 26
so ans is 26+156=182

Like? Yes (6) | No (3)  

Nikhil kumar   11 years AGO

difference of succesive is like as
20,22,24 then 26+156=187

Like? Yes (2) | No   

Radheshyam   11 years AGO

90+20=110
110+22=132
132+24=156
156+26=182

so answer is ==182

Like? Yes (2) | No   

Krishna Chaitanya Boyanapalli   11 years AGO

starting with adding with 20 ,22,24,26 and so on
threfore the next number id 182

Like? Yes (1) | No   

subramanian.m   11 years AGO

90+20=110
110+22=132
132+24=156
156+26=182

Like? Yes (1) | No   

nivetha m   11 years AGO

squares of 13 and plus 13 then get answer

Like? Yes (1) | No   

Sakshi Rastogi   11 years AGO

110 = 90+20+0
132=110 + 20+2
156 = 132 + 20 +4
182 = 156+20+6

Like? Yes (1) | No   

MOHIT BHARDWAJ   11 years AGO

difference of 20,22,24,26 and so on

Like? Yes (1) | No   

Jayaprakash   11 years AGO

difference is 20,22,24,26 so next num will come to 182

Like? Yes (1) | No   

ShAg   11 years AGO

90,110,132,156,182
110-90=20
132-110=22
156-132=24
182-156=26

Like? Yes (1) | No   

aman kumar tiwari   11 years AGO

90 110 132 156 182
20 22 24 26

Like? Yes (1) | No   

Smriti Jaiswal   11 years AGO

the series is continue as +20,+22,+24,...

Like? Yes (1) | No   

Vishwadeep Solpankhi   11 years AGO

since,
110-90=20
132-110=22
156-132=24
So we obtainn series of 20,22,24,...
hence the next no must be 26
Let the next nmber of given series be x.
therefore,
x-156=26
so, x=186=Answer

Like? Yes (1) | No   

Sneha   11 years AGO

9*10 10*11 11*12 12*13 13*14
So ans is 182(option 7)

Like? Yes (1) | No   

Saurav Mandholiwal   11 years AGO

110=90+20
132=110+22
156=132+24
next term=156+26=172

Like? Yes (1) | No   

Pargat Pal Singh   11 years AGO

13*14=182

Like? Yes (1) | No   

Gautham    11 years AGO

The values are in G.P with Common Difference 20+2x where x=1,2,3,...
So After 156..182 ll COme in order

Like? Yes (1) | No   

SANTOSH MITKARI   11 years AGO

90+20=110
110+22=132
132+24=156
156+26+182

Like? Yes (1) | No   

saurabh gupta   11 years AGO

90+20=110
110+22=132
132+24=156
156+26=182

Like? Yes (2) | No (1)  

AMIT JINDAL   11 years AGO

90
90+20=110
110+22=132
132+24=156
156+26=182

Like? Yes (1) | No   

PADMASHREE   11 years AGO

156+26=182

Like? Yes (1) | No   

Sandeep Gupta   11 years AGO

difference between 90 and 110 = 20
difference between 110 and 132 = 22
difference between 132 and 156 = 24
difference between 110 and 182 = 26

Like? Yes (1) | No   

ABHISHEK CHANDEL   11 years AGO

90=9*10,
110=10*11,
132=11*12,
similarly next no is
13*14=182

Like? Yes (1) | No   

MUTHUPANDI   11 years AGO

90-110=-20
110-132=-22
132-156=-24
so we add 26 to 156

Like? Yes (1) | No   

richa ahuja   11 years AGO

110-90=20
132-110=22
156-132=24
hence next no will be 156+26=182

Like? Yes (1) | No   

Abhijeet Kumar   11 years AGO

110-90=20 , 132-110=22 , 156-132=24 , Next number increases by 26 i.e 156+26=182.

Like? Yes (1) | No   

SAMRAT CHOWDHURY   11 years AGO

110-90=20
132-110=22
156-132=24
182-156=26

Like? Yes (1) | No   

uma   11 years AGO

for the next sequence number +2 is addes

Like? Yes (1) | No   

Dharmendra Kumar Rajak   11 years AGO

given sequence is 90,110,132,156,......
i.e. 90
90+20 =110,
110+22=132,
132+24=156,
so 156+26=182, option (7) is correct

Like? Yes (1) | No   

inabathinapavani   11 years AGO

diff btwn 1st two nums is 20
diff btwn 2nd two nums is 22
diff btwn 3rd two nums is 24
so the diff btwn next two would be 26

Like? Yes (1) | No   

venkatesh   11 years AGO

110-90=20
132-110=22
156-132=24
182-156=26

Like? Yes (1) | No   

kuntal   11 years AGO

+20,+22,+24,+26

Like? Yes (1) | No   

revathy   11 years AGO

90+20=110
110+22=132
132+24=156
therefore, 156+26=182

Like? Yes (1) | No   

somik sarkar   11 years AGO

90-110=20
110-132=22
132-156=24
then next no. will be:156+26=182

Like? Yes (1) | No   

Monika Kalra   11 years AGO

110-90=20
132-110=22
156-132=24
156+26=182

Like? Yes (1) | No   

~Sandeep~   11 years AGO

90=9*10
110=10*11
132=11*12
156=12*13
=> 13*14=182

Like? Yes (1) | No (1)  

Rats   11 years AGO

90+(20)=110
110+(22)=132
132+(24)=156
addition sequence is 20, 22, 24
So next addition is 26
Hence next term is
156+(26)=182......Ans

Like? Yes (1) | No (1)  

Niraj   11 years AGO

110 - 90 = 20
132 - 110 = 22
156 - 132 = 24
X - 156 = 26 => X = 156+26=182

Like? Yes (1) | No (1)  

susmit   11 years AGO

9^2+9 = 90.
10^2+10 = 110.
11^2+11 = 132.
12^2+12 = 156.
Hence, the next number is 13^2+13 = 182.
Hence option no.7

Like? Yes (1) | No (1)  

kumar sundram   11 years AGO

here, the formula of sequence is,
nth term=(n-1)th term + (20+2(n-2)) where n=2,3,4,........

1st term is 90
2nd term is 90+(20+2*0)=110
3rd term is 110+(20+2*1)=132
4th term is 132+(20+2*2)=156
so,
5th term is 156+(20+2*3)=182

Like? Yes (1) | No (1)  

anita mondal   11 years AGO

110-90=20
132-110=22
156-132=24
then x-156=26
x=156+26=182

Like? Yes (1) | No (1)  

rohit kumar   11 years AGO

110-90 =20
132-110=22
156-132=24
so,
182-156=26

Like? Yes (3) | No (3)  

utkarsh bisht   11 years AGO

IT IS CLEARLY VISIBLE THAT DIFFERENCES BETWEEN THE TERMS RE INCREASING IN A WAY LIKE 20,22,24,.... THERFORE WE WILL ADD 26 TO 156 THAT WILL GIVE 182 AS THE REQUIRED ANSWER.

Like? Yes (2) | No (2)  

sivaraman   11 years AGO

90-110=20
110+22=132
132+24=156
156+26=182
so answer is 182

Like? Yes (1) | No (1)  

Anantharaman   11 years AGO

90+20=110
110+22=132
132+24=156
156+26=182

Ans:182 Option 7

Like? Yes (1) | No (1)  

vigneshwari   11 years AGO

9 x 10 = 90
10 x 11 = 110
11 x 12 = 132
12 x 13 = 156
13 x 14 = 182 (required number).

Like? Yes (1) | No (1)  

ashiwani kumar singh   11 years AGO

series two term difference
20 22 24 26

26+156=182

Like? Yes (1) | No (1)  

krishnapriya   11 years AGO

110-90=20
132-110=22
156-132=24
182-156=26

Like? Yes (1) | No (1)  

ABHISHEK KUMAR MISHRA   11 years AGO

110-90=20
132-110=22
156-132=24
so required answer is 156+26=182

Like? Yes (1) | No (1)  

Tanvir Rahman   11 years AGO

110-90=20
132-110=22
156-132=24
then
x-156=26
x=26+156=182

so, ans=7)182

Like? Yes (1) | No (1)  

SHERIN ABOOBEKER   11 years AGO

90+20=110
110+22=132
.....
156+26=182

Like? Yes (1) | No (1)  

Bingumalla Abinay   11 years AGO

156+26=182

Like? Yes (1) | No (1)  

MUKESH KUMAR   11 years AGO

These are pronic number.

e.g,

1*2=2
2*3=6
3*4=12
4*5=20
.
.
.
11*12=132,
12*13=156,
13*14=182.

So on,..

0, 2, 6, 12, 20, 30, 42, 56, 72, 90, 110, 132, 156, 182, 210, 240, 272, 306, 342, 380, 420, 462

Like? Yes (1) | No (1)  

SNEHA   11 years AGO

110-90=20
132-110=22
156-132=24
We see that the difference between two consecutive number is increasing by 2
So the next no. Will be 26+156=182

Like? Yes (1) | No (1)  

Dinesh thatti   11 years AGO

90+20=110
110+22=132
132+24=156
156+26=182

Like? Yes (1) | No (1)  

Balakumaran N.A   11 years AGO

sequence increasing by 20,22,24,26,..
156+26 = 182

Like? Yes (2) | No (2)  

Puvanesh kumar   11 years AGO

90~110=20; 110~132=22; 132~156=24; 156~182=26

Like? Yes (1) | No (1)  

J.THARVEES MAIDEEN   11 years AGO

110-90 =20
132-110 =22 the difference of 2 hence next is 26
156-132 =24
x -156 =26 x=182

so the ans is 182

Like? Yes (1) | No (1)  

Suman Saurabh   11 years AGO

110-90=20
132-110=22
156-132=24
182-156=26
so next number=182

Like? Yes (1) | No (1)  

vemula nagalakshmi   11 years AGO

difference is 20,22,24,26
156+26=182

Like? Yes (1) | No (1)  

Prashant Bhushan   11 years AGO

first diff. betwn the two sequence increasing as 20,22,24 the next one is 26. so answer is 26+156=182.
so option is(7).

Like? Yes (1) | No (1)  

Parveen Soni   11 years AGO

Difference between the terms is
20,22,24,so next difference is 26
thus next number is 156+26=182 option 7.

Like? Yes (1) | No (1)  

AMAR NATH   11 years AGO

90+20, 110+22, 132+24, 156+26

Like? Yes (1) | No (1)  

khushboo singh   11 years AGO

difference b/w 2 consecutive no.'s of series increases in AP 20,22,24,26
so next element=156+26=182

Like? Yes (1) | No (1)  

diksha narula   11 years AGO

it is forming ap series with common diff of 2

Like? Yes (1) | No (1)  

Saloni Singh   11 years AGO

110-90=20
132-110=22
156-132=24
considering the sequence 20,22,24...
the next o shud be 26,so by adding 26 to 156,we get 182 as the ans.

Like? Yes (1) | No (1)  

Devendra Marghade   11 years AGO

90+20=110
110+22=132
132+24=156
156+26=182

Like? Yes (1) | No (1)  

vikash kumar   11 years AGO

110-90=20
132-110=22
156-132=24
182-156=26
hence, 182 is the ryt ans

Like? Yes (1) | No (1)  

Aditya Gaurav   11 years AGO

since each next term in series is increasing with 20,22,24,26.....and so on respectively..

Like? Yes (2) | No (2)  

Souvik Bagh   11 years AGO

differences between the adjacent numbers are 20,22,24,26

Like? Yes (1) | No (1)  

Mayuresh Srivastava   11 years AGO

90+20=110
110+22=132
132+24=156
156+26=182.

Like? Yes (1) | No (1)  

sonali randave   11 years AGO

90+20=110
110+22=132
132+24=156
So ans will be..
156+26=182

Like? Yes (1) | No (1)  

ravindra   11 years AGO

90+20=110
110+22=132
132+24=156
SIMILIARLY 156+26=182

Like? Yes (1) | No (1)  

sowmya   11 years AGO

difference of two numbers....so answer is 182

Like? Yes (1) | No (1)  

ravi singh   11 years AGO

answer is 182

2*(45 + 0) = 90
2*(45 + 10) = 110
2*(55 + 11)= 132
2*(66 + 12)= 156
2*(78 + 13) = 182

hence option 7

Like? Yes (1) | No (1)  

ravish kumar   11 years AGO

its
90+20=110,
110+22=132,
132+24=156,

& answer is 156+26=182.

Like? Yes (1) | No (1)  

Maya   11 years AGO

9X10=90
10X11=110
11X12=132
12X13=156
13X14=182

Like? Yes (1) | No (1)  

KALIDASS   11 years AGO

The difference between two number is 2 increment for next difference. (or)
difference is 20,22,24,26...

Like? Yes (1) | No (1)  

Chithra   11 years AGO

90+20=110, 110+22=132, 132+24=156, 156+26=182

Like? Yes (1) | No (1)  

Dharmendra Singh   11 years AGO

Ans 7)182
Explanation:
Sequence follows as:-
9^2 + 9=90
10^2 + 10=110
11^2 + 11=132
12^2 + 12=156
next will be 13^2 + 13=182

Like? Yes (2) | No (2)  

Ezhilarasi   11 years AGO

90+20=110
110+22=132
132+24=156
156+26=182

Like? Yes (1) | No (1)  

alok kumar sharma   11 years AGO

because series in difference between no 20,22,24,26

Like? Yes (1) | No (1)  

Amresh kumar   11 years AGO

common difference is increasing by 2
90+20=110
110+22=132
132+24=156
156+26=182

Like? Yes (1) | No (1)  

Kumar Ankit   11 years AGO

110-90=20
132-110=22
156-132=24
Hence
Next no be
156+26=182

Like? Yes (1) | No (1)  

rohit kumar   11 years AGO

90+20=110
110+22=132
132+24=156
156+26=182
adding by incrementing 2 everytime

Like? Yes (1) | No (1)  

P.Krishnakanth   11 years AGO

90 + 20 = 110
110 + 22 = 132
132 + 24 = 156
156 + 26 = 182

Like? Yes (2) | No (2)  

prakash kumar   11 years AGO

90+20=110
110+22=132
132+24=156
then definately,
156+26=182

Like? Yes (1) | No (1)  

Md Shahnawaz Shahab   11 years AGO

90, (90+20=)110, (110+22=)132, (132+24=)156, (156+26=)=182

Like? Yes (2) | No (2)  

Udhaya kumar   11 years AGO

addition of 20+2(n) where n=0,1,2,3....respectively

Like? Yes (2) | No (2)  

arjun   11 years AGO

90,110,132,156
see the difference between this series numbers
110-90=20
132-110=22
156-132=24
so next is 26 if u add from 156 u get 182
so ans is 182

Like? Yes (2) | No (2)  

Grishma Shah   11 years AGO

the sequence is increase 20+ digit
the difference between first 2 no. is 20
next two no is 22
next is 24. Hence the next no will be of difference 26
thus 156+26=182.

The answer is 7) 182

Like? Yes (2) | No (2)  

NIDHI   11 years AGO

0, 2, 6, 12, 20, 30, 42, 56, 72, 90, 110, 132, 156, 182

Like? Yes (1) | No (1)  

Koushik Ghosh   11 years AGO

da difference between every individual no. increases by 2 each time. so 156+26=182.

Like? Yes (1) | No (2)  

k n v v subbarao   11 years AGO

10²-10 = 90
11²-11 = 110
12²-12 = 132
13²-13 = 156
14²-14 = 182

or

09*10 = 90
10*11 = 110
11*12 = 132
12*13 = 156
13*14 = 182

Like? Yes (1) | No (2)  

prabhat kumar   11 years AGO

90+20=110
110+22=132
132+24=156
156+26=182
so next number will be 182.

Like? Yes (2) | No (3)  

Kunal Verma   11 years AGO

90+20=110+22=132+24=156+26=182

Like? Yes (1) | No (2)  

Er. Piyush Jain   11 years AGO

diff b/w 90 and 110 = 20
diff b/w 110 and 132 = 22
diff b/w 132 and 156 = 24
diff b/w next no will be 26.
so add 26 with 156 thn next no will = 182

Like? Yes (1) | No (2)  

abhinav paul   11 years AGO

110-90=20
132-110=22
156-132=24
156+26=182

hence, 182 is next number

Like? Yes (1) | No (2)  

Aakash Kumar   11 years AGO

90+20=110,110+22=132,132+24=156,156+26=182.

Like? Yes (1) | No (2)  

Aman Kohli   11 years AGO

the diff between two num is 20 initially n increasing by a gap of 2 so add 26 to 156 n hence 182 is the ans

Like? Yes (1) | No (2)  

Rashmi bharti   11 years AGO

110-90=20;
132-110= 22;
156-132=24;
So 156+26 = 132

Like? Yes (1) | No (2)  

FAISAL RIZWAN   11 years AGO

Addition of two takes place
90+20=110
110+22=132
132+24=156
156+26=182
so option 7 is correct

Like? Yes (2) | No (3)  

04 Oct 2013 Coded Language

In a coded language some words and their coded sets are given below
RAMU = HACB
RAVI = HADI
MOHAN = CEHAD
Then coded set for SURESH is

OPtion

1) IBHEIH
2) IBIEHH
3) BIHEIH
4) HEIBIE
5) EHIBIE
6) IHEIBH
7) IIEHBE
8) IEEHBH
9) IHHBEI
10) None of these

Solution

A(1), B(2), C(3), D(4), E(5), F(6), G(7), H(8), I(9), J(10), K(11), L(12), M(13), N(14), O(15), P(16), Q(17), R(18), S(19), T(20), U(21), V(22), W(23), X(24), Y(25), Z(26).
RAMU = 18,1,13,21 = 1*8,1,1*3,2*1 = 8,1,3,2 = HACB
RAVI = 18,1,22,9 = 1*8,1,2*2,9 = 8,1,4,9 = HADI
MOHAN = 13,15,8,1,14 = 1*3,1*5,8,1,1*4 = 3,5,8,1,4 = CEHAD

SURESH = 19,21,18,5,19,8 = 1*9,2*1,1*8,5,1*9,8 = 9,2,8,5,9,8 = IBHEIH

option 1)

Correct Option: 1 Best Solution (62)

Rats   11 years AGO

code for alphabet as position in alphabet series:-
for 1-9=same 1-9 (e.g.1=1,2=2,....,9=9)
for 11-19= 1-9(e.g. 11=1, 12=2,....,19=9)
for 21-26=double of last number(e.g. 21=2, 22=4)
RAMU(18,1,13,21)=HACB(8,1,3,2)
RAVI(18,1,22,9)=HADI(8,1,4,9)
MOHAN(13,15,8,1,14)=CEHAD(3,5,8,1,4)
So for
SURESH(19,21,5,19,8)=IBHEIH(9,2,5,9,8)....Ans

Like? Yes (33) | No (1)  

Prerna   11 years AGO

code for U is B.
code of R is H.
code for first letter (S) and 5th letter (S) should be same.
Keeping these points in mind, only
1) IBHEIH
satisfies the condition.

Like? Yes (6) | No   

Parveen Soni   11 years AGO

find value corresponding to each alphabet by given code and check for option Like from given we have
- BH--H So answer is option 1

Like? Yes (7) | No (2)  

mounica chowdary   11 years AGO

divide alphabets into 3 groups (10,10,6)
1st group=A-J
2nd group=K-T
3rd Group=U-Z
coded as if 1st group alphabet is same
2nd group=respective alphabet in 1st group
3rd group=2*1st group alphabet
so SURESH is coded as IBHEIH

Like? Yes (5) | No (1)  

Dinesh thatti   11 years AGO

R= H
U= B
H= H

=> SURESH=_BH__H
From elimanating the options we are left with OPTION 1

Like? Yes (3) | No (1)  

Ritu Khilrani   11 years AGO

ANSWER (1) IS CORRECT
REASON: RAMU = 18 1 13 21
from all 4 digits alternately select 1st and 2nd digit from each - i.e 8 FROM 18, 1 IS SINGLE DIGIT 3 FROM 13 AND 2 FROM 21 = 8 1 3 2 = HACB
THUS, SURESH = 19 21 18 5 19 8
SELECT 9 FROM 19, 2 FROM 21, 8 FROM 18, 5 IS SINGLE DIGIT, 9 FROM 19, AND FINALLY, 8 IS SINGLE DIGIT.
: 9 2 8 5 9 8 = IBHEIH

Like? Yes (2) | No   

Neha Sharma   11 years AGO

in alphabets position of the given
R=18=8=H
greater no between 1 and 8 = 8 so R=8=h
A=1=1=A
M=13=3=C
U=21=2=B
so
S=19=9=I
U=21=2=B
R=18=8=H
E=5=5=E
S=19=9=I
H=8=8=H
So the ans is IBHEIH

Like? Yes (2) | No   

~Sandeep~   11 years AGO

If alphabet position value is < 10 code is to use it as it is.
If alphabet position value is >=10 then sum the digits of positions followed by minus 1, resultant value represents the position number of new alphabet.

Like? Yes (1) | No   

Mithlesh Prasad   11 years AGO

since S U R E S H
19 21 18 5 19 8

AS PER THE GIVEN,
FIRST TAKE THE UNIT DIGIT NUMBER THEN TENS DIGIT
i.e,
9 2 8 5 9 8
I B H E I H

Like? Yes (1) | No   

diwakar kumar singh   11 years AGO

u wiil be coded as b and h will be coded as hand r wiil be coded as h so option 1 is correct

Like? Yes (1) | No   

arihant   11 years AGO

I-I,U-B,H-H...in only first option

Like? Yes (1) | No   

ch.jyothsna   11 years AGO

in coded form R=H U=B H=H E=E S=I then SURESH=IBHEIH

Like? Yes (1) | No   

ashiwani kumar singh   11 years AGO

write the alphabet same who have

Like? Yes (1) | No   

Amisha Agarwal   11 years AGO

each alphabet is the multiplication of digit of the rank of the former letter

Like? Yes (1) | No   

Mayuresh Srivastava   11 years AGO

Let A=1 to Z=26.
then in
L.H.S letter at position x=in R.H.S letter at position x. and
L.H.S letter at position (10+x)=in R.H.S letter at position x. and
L.H.S letter at position (20+x)=in R.H.S letter at position 2x.
so
S(19)U(21)R(18)E(5)S(19)H(8)
=I(9)B(2)H(8)E(5)I(9)H(8).

Like? Yes (1) | No   

Dharmendra Kumar Rajak   11 years AGO

from Given sets
we gets U=B , R=H, H=H
so from given option we will find the
2nd letter B for U
3rd letter H for R
last letter H for H
so option will be (1) i.e. IBHEIH.

Like? Yes (1) | No   

Rashmi bharti   11 years AGO

U =B, R= H, H= H...
So the coded word is _BH_ _ H;
So IBHEIH fits in the given option

Like? Yes (1) | No   

Vasavi Sarika   11 years AGO

From the given question we can know the value of R=H and U=B
so option 1 is correct

Like? Yes (1) | No   

Vasanta   11 years AGO

Converting to numbers,RAMU=18 1 13 21
RAVI=18 1 22 9
MOHAN=13 15 8 1 14
And the codes are: HACB=8 1 3 2
HADI=8 1 4 9
CEHAD=3 5 8 1 4

all the first letter are being coded into the alphabet corresponding to second digit of its number.so,in suresh s is coded as i.Proceeding so,first option is correct

Like? Yes (1) | No   

Ajit Kumar Singh   11 years AGO

R=H,M=C,U=B,V=D,O=E,N=D,S=I

Like? Yes (1) | No   

Aditya Gaurav   11 years AGO

IBHEIH

Like? Yes (2) | No (1)  

Priyanka Meesala   11 years AGO

Here the alphabets are divided into 3 sets i.e.,
A-J,K-T,U-Z.
In coded language for every letter from set 1 is written as it is,for set2 corresponding letter in set1 is written,for set3 multiples of 2 in the set 1 is written.
Hence SURESH is coded as IBHEIH

Like? Yes (1) | No   

Yallapu Uday tarun kumar   11 years AGO

alphabets arrangement

Like? Yes (1) | No   

Gangadhar reddyn Ankireddy   11 years AGO

Code Follows
r-h
u-b
h-h

Like? Yes (1) | No   

Maya   11 years AGO

Here,each letter value is taken as follows:
1.If it is a single digit number it is kept as it is
2.If it is 2 digit number n both unit place and tens place values are same then sum of it is taken
3.If unit place value is greater than tens place value then unit place value is taken
4.If tens place value is greater than units place then tens place value is taken

SURESH
S value is 19 => 11 so 2 is taken and alphabet is B
R is 18 ,8 is taken and alphabet is H
E is 5,so kept as it is
S again 9 is taken alphabet is I
H is 8, kept as it is
So, it is IBHEIH

Like? Yes (1) | No   

ShAg   11 years AGO

from above we can see that in SURESH, R and H will be replaced by H. now for S its arithematic pos is 19, taking the greater digit in 19, ie 9=I, similarly U=21, taking 2=B we have SURESH=IBHEIH

Like? Yes (1) | No   

shekhar   11 years AGO

pattern is alfabetical position
ex: R=18=1+8=9-1=8.
ALPHABETICAL POSITION OF 8=H
AND LIKE THIS

Like? Yes (1) | No   

Prashant Bhushan   11 years AGO

we see that R=H and so, s=I that why 1, 2 optn is correct..but in two option 1 is correct..

Like? Yes (1) | No   

Dr.Dipin Singh   11 years AGO

codes are given by multiplying the digits of number position of letters in English alphabet.
R is 18 th letter .
1*8=8
8th letter is H.
so code for R is H.
similarly for other letters.

Like? Yes (2) | No (1)  

Nirmalram   11 years AGO

suresh(19 21 18 5 19 8)=ibheih(9 2 8 5 9 8)

Like? Yes (1) | No   

Grishma Shah   11 years AGO

The Answer is 1) IBHEIH
The answer is as below:

S: S is at 19th position from A, removing 1, at 9th place is=I
U: given in sample= B
R: given in sample=H
E: As at ones place it will be same=E
S: As above= I
H: As in sample= H

Like? Yes (1) | No   

Aakash Kumar   11 years AGO

position 2:U=B
position 3:R=H
position 6:H=H
THEREFORE SURESH=IBHEIH

Like? Yes (1) | No   

SHERIN ABOOBEKER   11 years AGO

R+10=H
M+16=C,SO S+16=I,U=B,R=H,E=E,S=I,H=H
SO ANSWER IS IBHEIH

Like? Yes (1) | No   

raghuram dharmavarpu   11 years AGO

in this RAMU R=18,A=1,M=13,U=21 IN THIS TWO DIGIT NUMBER TAKING UNITS DIGIT AND WRITE CODE FOR IT.FOR EXAMPLE IN 18,WE TAKE UNITS DIGIT NUMBER 8,IT IS EQUIVALENT TO 'H'

Like? Yes (1) | No   

Himanshu Kumar Gupta   11 years AGO

R=H
A=A
M=C
U=B
V=D
I=I
O=E
N=D
So, S=I
U=B
R=H
E=E
S=I
H=H
So, IBHEIH is ans.

Like? Yes (1) | No   

prakash kumar   11 years AGO

ramu= 18 1 13 21
add two digit no
= 9 1 4 3
= 8 1 3 2
hacb
ravi=18 1 22 9
=9 1 4 9
=8 1 4 9
=hadi
mohan 13 15 8 1 14
4 6 8 1 5
3 5 8 1 4
c e h a d
suresh 19 21 18 5 19 8
10 3 9 5 10 8
9 2 8 5 9 8
i b h e i h

Like? Yes (1) | No   

KAUTUCK SATSANGI   11 years AGO

convert
u in b &h remains same(middle word)
&r in h
from the given code
therefore s should converted to i

Like? Yes (1) | No   

manish sareen   11 years AGO

R=H,H==H,U==B

Like? Yes (1) | No   

Sreenath Dande   11 years AGO

(R,H)=H; U=B

Like? Yes (1) | No   

Dilip B Gauswami   11 years AGO

if that R->H,H->H,A->A,V-D,if that use that all out put compare that _BH__H if all word allready given that but S->I if that both s same that and E->E

Like? Yes (1) | No   

YUVAN SATHAIAH   11 years AGO

in above solution
U=B
R=H
SURESH=IBHEIH

Like? Yes (1) | No   

saurabh keshari   11 years AGO

we 1st give every letters with correspond to their number from 1 to 26
single digit number is as it is written while double digit number will be equivalent to its greater digit
hence on solving we get IBHEIH

Like? Yes (1) | No   

Sampath Kumar   11 years AGO

From the above Statement,

U=B
R=H
H=H
First and Fifth Letter should be the same.
The option meeting this criteria is 1st.
IBHEIH

Like? Yes (1) | No   

ravi singh   11 years AGO

answer is IBHEIH

just simply as given same as write but first difference should be 10 hence 1st term is I, and U=B hence second is B similarly other terms come

Like? Yes (1) | No   

diksha narula   11 years AGO

taking 9 digits from s ie,i;code 4 u as b;r as h;e as e;s as i;h as h

Like? Yes (1) | No   

Aparna Satpathy   11 years AGO

In RAMU RAVI n MOHAN we saw that
A H and I are not changing
U becomes B
R becomes H
By following That
we can write as
S will become I.
So,I think option 1 is write

Like? Yes (1) | No   

Gajendra Saini   11 years AGO

because U=B and R=H

Like? Yes (1) | No   

SHASHANK CHAURASIA   11 years AGO

FROM EXAMPLE LOGIC IS:
M=13 -> C=3(PLACE VALUE >10)
O=15 -> E=5(PLACE VALUE >10)
H=08 -> H=8(PLACE VALUE A=1(PLACE VALUE D=4(PLACE VALUE >10)

Like? Yes (1) | No   

LOGAN WOLVERINE   11 years AGO

SURESH
S=19 9 TH ALBHABET LETTER IS I
U=21 2ND ALBHABET LETTER IS B
R=18 8TH ALBHABET LETTER IS H
E=5 5TH ALBHABET LETTER IS E
S=19 9TH ALBHABET LETTER IS I
H=8 8 TH ALBHABET LETTER IS H
ANSWER IS IBHEIH

Like? Yes (1) | No   

priya   11 years AGO

s=19 and i=9; s=i
u=21 and b=2; u=b
r=18 and h=8; r=h
e=5 single digit; e=e
s=19 and i=9; s=i
h=8 single digit; h=h... so the code for
SURESH=IBHEIH

Like? Yes (1) | No   

Ayushi Jayaswal   11 years AGO

because u=b;r=h;h=h

Like? Yes (1) | No   

shekhar pankaj   11 years AGO

by decoding we get
R=H
and U=B

so in suresh 2nd and 3rd digit should be BH so only 1 option satisfies this

Like? Yes (1) | No   

KARTHIGA DEVI.J   11 years AGO

number the alpahabets in increasing order from 1 to 26......
If a letter falls in one digit number, the corresponing code is the same letter itself.If it is 2 digit from 10 to 19.. code is the letter corresponding to the second digit.
If it is from 21 to 26 letter corresponding to the sum of digits will b e the code....

Like? Yes (1) | No   

vipin prajapati   11 years AGO

according previous codes codes set of suresh is IBHEIH

Like? Yes (1) | No   

subramanian.m   11 years AGO

SURESH
U=B
R=H
H=H
SO ANS IS IBHEIH

Like? Yes (1) | No   

srikanth degala   11 years AGO

r=18 h=8
a=1 a=1
m=13, c=3
u=21 b=2

r=18 h=8
a=1 a=8
v=22 d=4
i=9 i=9

m=13 c=3
0=15 e=5
h=8 h =8
a=1 a=1
n=14 d=4

s=19 i
u=21 b
r=18 h
e=5 e
s=19 i
h=8 h

Like? Yes (1) | No   

Udhaya kumar   11 years AGO

S=19;1*9=9:I
U=21;2*1=2:B
.
.
.
H=8; 8:H
ANSWER IS IBHEIH....

Like? Yes (1) | No   

sheik farooq basha   11 years AGO

because in a given question r=h and u=b simly and check answer combintion of bh in only 1 option so answer is 1

Like? Yes (1) | No   

Ravi Kant Sharma   11 years AGO

as in place of R we can use H,similarly U->B so by this hit and trial 1 is correct

Like? Yes (1) | No   

Shashi Kumar Gupta   11 years AGO

take a,b,c...z={1,2,3....26}

if { the number corresponding to letter is less than 20 then take the unit digit}
else { multipl both the digit of number(if it contain two digit)
}
so the answer wiil be.. IBHEIH

Like? Yes (1) | No   

Bhargaviinduri   11 years AGO

from the given sets r=h,u=b,h=h
so opt1 is the ans bcoz 1st&5th should be same lettrs and u=b,r=h,s=I,h=h.

Like? Yes (1) | No   

Anchal    11 years AGO

alphabets from A-I(1-9) are coded as it is
alphabets from K-S(11-19) are coded with the alphabet which sequence number is the unit digit of the given no
alphabets from U-Z are replaced by the alphabet having seq. no. equal to the multiplication of the 2 digits of given alphabet

Like? Yes (1) | No   

03 Oct 2013 Quadratic Equation

solve
{1/(a+b+x)}=(1/a)+(1/b)+(1/x), (a+b)not= 0

OPtion

1) x = a, x = -a
2) x = a, x = -b
3) x = a, x = b
4) x = -a, x = -b
5) x = -a, x = b
6) x = 1/a, x =1/b
7) x = a/b, x =b/a
8) x = -a/b, x =a/b
9) x = -b/a, x= b/a
10) None of these

Solution

Simply solve quadratic equation
{1/(a+b+x)}=(1/a)+(1/b)+(1/x)
{1/(a+b+x)}-(1/a) = (1/b)+(1/x)
{(a-a-b-x)/a(a+b+x)}=(b+x/bx)
{-(b+x)}/a(a+b+x)=(b+x)/bx
.....
solve
x=-a, x=-b
option 4

Correct Option: 4 Best Solution (46)

prakash kumar   11 years AGO

1/(a+b+x)=1/a + 1/b + 1/x
1/(a+b+x)=(bx+ax+ab)/abx
abx=abx+a2x+a2b+b2x+abx+ab2+bx2+ax2+abx
ax2+bx2+a2x+abx+abx+b2x+a2b+ab2=0
x2(a+b)+ax(a+b)+bx(a+b)+ab(a+b)=0
(a+b)(x2+ax+bx+ab)=0
since, a+b!=0
so, x2+ax+bx+ab=0
x(x+a)+b(x+a)=0
(x+a)(x+b)=0
x=-a,-b

Like? Yes (211) | No (68)  

Kumar Ankit   11 years AGO

( 1/ [a+b+x] ) = (1/a) +( 1/b )+ (1/x)

( 1 / [a+b+x] ) - (1 / x ) = (1/a) + (1/b)

=> { x - [a+b+x] } / ([a+b+x] * x ) = {a+b} / ab

=> - { a+b} / ( [a+b+x] * x ) = { a+b} / ab

=> -1 / ( [a+b+x] * x ) = 1 / ab

Cross Multiply : -ab = [a+b+x] * x

On Simplification : x2 + (a+b) x + ab = 0

Applying the Splitting the middle term method :

=> x2 + (a+b) x + ab = 0

=> [x2 + ax]+ [b x + ab] = 0

So : x ( x + a) + b ( x + a) = 0

=> (x + a ) * ( x + b ) = 0

Therefore : (x+a) = 0 or (x+b) = 0

Now : x = -a or x = -b
The value of x is : -a or -b

Like? Yes (110) | No (30)  

Grishma Shah   11 years AGO

1/a+b+x=1/a+1/b+1/x
=>(1/a+b+x)-1/x=1/a+1/b
Taking (a+b+x)x as LCM,
=> x-(a+b+x)/(a+b+x)x=b+a/ab
=> -(a+b)/x^2+ax+bx=a+b
Cancelling (a+b) from both sides we get,
=> -1/x2+ax+bx=1/ab
=> x^2+ax+bx= -ab
=> x^2+ax+bx+ab=0
=> x(x+a)+b(x+a)=0
=> x+b=0 or x+a=0
=> x=-b or x=-a

Like? Yes (93) | No (27)  

kumar sundram   11 years AGO

{1/(a+b+x)}=(1/a)+(1/b)+(1/c)
or, {1/(a+b+x)}={(bx+ax+ab)/abx}
or, abx=(a+b+x)(ax+bx+ab)
or, xa^2+abx+ba^2+abx+xb^2+ab^2+ax^2+bx^2+abx-abx=0
or, x(a^2+b^2+2ab)+ab(a+b)+x^2(a+b)=0
or, x(a+b)^2+ab(a+b)+x^2(a+b)=0
or, (a+b){x(a+b)+ab+x^2}=0
or, (a+b)(xa+xb+ab+x^2)=0
or, (a+b){x(a+x)+b(a+x)}=0
or, (a+b)(a+x)(x+b)=0
since, (a+b)not=0
so, (x+a)=0; i,e. x=-a
or, (x+b)=0; i,e. x=-b.

Like? Yes (63) | No (32)  

prabhat kumar   11 years AGO

1/(a+b+x)=1/a + 1/b + 1/x

1/(a+b+x)=(bx+ax+ab)/abx

abx=(a+b+x)(bx+ax+ab)

abx=(a+b+x){(a+b)x+ab)

abx=(a+b)x*a+(a+b)x*b+(a+b)*x^2 + a^2*b+a*b^2+abx

ax(a+b)+bx(a+b)+(a+b)x^2+ab(a+b)=0

x^2+ax+bx+ab=0

x(x+a)+b(x+a)=0

(x+a)(x+b)=0

hence,x=-a,x=-b

Like? Yes (40) | No (20)  

Tanvir Rahman   11 years AGO

1/(a+b+x)=i/a + 1/b + 1/x

1/(a+b+x)=(bx+ax+ab)/abx

abx=(a+b+x)(bx+ax+ab)

abx=(a+b+x){(a+b)x+ab)

abx=(a+b)x*a+(a+b)x*b+(a+b)*x^2 + a^2*b+a*b^2+abx

ax(a+b)+bx(a+b)+(a+b)x^2+ab(a+b)=0

x^2+ax+bx+ab=0

x(x+a)+b(x+a)=0

(x+a)(x+b)=0

hence,x=-a,x=-b

Like? Yes (31) | No (17)  

bollimuntha ravi teja   11 years AGO

1/ a+b+x = 1/a +1/b +1/x
1/a+b+x - 1/x = 1/a +1/b
L.C.M on both the sides
x-a-b-x/x(a+b+x) = a +b/ab
-a-b/ax +bx +x2 = a + b/ab
-(a+b)/ax+ bx+ x2 =a +b/ab
-1/ax + bx +x2 = 1/ab
cross multiply
-ab = ax + bx + x2
0 = x2 + ax + bx + ab
0 = x(x +a) +b(x + a)
0 = (x +a)(x + b)
x = -a , x = -b

Like? Yes (18) | No (12)  

VIVEK SINHA   11 years AGO

after solving quadratic egn. :
x1=(-(a+b)^2+a^2-b^2)/2(a+b)
x1=-b
similarly
x2=(-(a+b)^2-a^2+b^2)/2(a+b)
x2=-a
therefor x=-a,x=-b and correct optiion is 4

Like? Yes (18) | No (13)  

Dharmendra Kumar Rajak   11 years AGO

given eqn is {1/(a+b+x)}=(1/a)+(1/b)+(1/x),
and(a+b)not=0
after solving the eqn will be as-
=> x(a+b+x)+ab=0
=> x^2+ax+bx+ab=0
=> x(x+a)+b(x+b)=0
=> (x+a)(x+b)=0
=> x=-a,and x=-b;

Like? Yes (20) | No (18)  

Aman Kohli   11 years AGO

solving using options we will get that only fourth option will satisfy the equation.......

for x=-a

l.h.s= 1/(a+b+(-a)) = 1/b
r.h.s= (1/a) + (1/b) + (-1/a) = 1/b

l.h.s = r.h.s

for x=-b

l.h.s= 1/(a+b+(-b)) = 1/a
r.h.s= (1/a) + (1/b) + (-1/b) = 1/a

l.h.s = r.h.s

thus this is the ans (4).

Like? Yes (8) | No (6)  

amar nath tiwari   11 years AGO

answer@ 4
1/(x+a+b)=(ab+bx+ax)/abx
aftr solv it u got
(a+b)((x^2+x(a+b)+ab))=o
(a+b)=o
or
(x^2+x(a+b)+ab)=o
but given
a+b!= 0
so
(x^2+x(a+b)+ab)=0
by shree dharacharya rule
x=-a
x=-b
so answer
4

Like? Yes (10) | No (9)  

ABHISHEK CHANDEL   11 years AGO

{1/(a+b+x)}=(1/a)+(1/b)+(1/x),
abx=x(a+b)^2+x^2(a+b)+ab(a+b+x)
-ab=x(a+b)+x^2
x^2+x(a+b)+ab=0
now this is a quadratic eqn solve this eqn ans get x=-b&-a

Like? Yes (14) | No (13)  

Harjit kaur   11 years AGO

{1/(a+b+x)}=(1/a)+(1/b)+(1/x), (a+b)not= 0
taking LCM and equalizing we get
abx=(a+b+x)(bx+ax+ab)
={(a+b)+x}{(b+a)x+ab}
=(a+b)^2+(a+b)ab+(a+b)x^2+abx
(a+b)x^2+(a+b)^2)x+ab(a+b)=0
since (a+b)not = 0
So x^2+ax+bx+ab=0
x(x+a)+b(x+a)=0
(x+b)(x+a)=0
so x=-a,x=-b

Like? Yes (12) | No (12)  

Dinesh thatti   11 years AGO

if we LCM above eqn

x-a-b-x/x(a+b+x)=a+b/ab

solving this we get


-1/ax+bx+x^2=1/ab

cross multiply

-ab=ax+bx+x^2


x^2+ax+bx+ab=0

x(x+a)+b(x+a)=0

(x+a)(x+b)=0

x=-a , x= -b

Like? Yes (8) | No (9)  

SWETA YADAV   11 years AGO

ON solving the above equation we have a quadratic equation
(a+b)x^2+(a+b)^2x+ab(a+b)
on solving the above equation by formula -b+root over(b^2-4ac) and -b-root over(b^2-4ac)
we got -a and -b as roots.

Like? Yes (9) | No (10)  

rohit kumar   11 years AGO

{1/(a+b+x)}=(1/a)+(1/b)+(1/x)
{1/(a+b+x)}-1/x=(a+b)/ab
on equating we get
x^2+(a+b)x+ab=0
on solving the quadratic equation:
x=-a & x=-b

Like? Yes (7) | No (8)  

Jigyasa Kumar   11 years AGO

x= -a and x= -b satisfies the equation

Like? Yes (9) | No (10)  

Vikram Saini   11 years AGO

ans is option 4

Like? Yes (8) | No (9)  

Bholanath    11 years AGO

{1/(a+b+x)}=(1/a)+(1/b)+(1/x)
x^2+(a+b)x+ab=0
so, x=-a,-b

Like? Yes (9) | No (10)  

SANJIB PALUI   11 years AGO

{1/(a+b+x)}-1/x=(a+b)/ab
(x-(a+b+x))/x(a+b+x)=(a+b)/ab
-(a+b)/(x^2+x(a+b))=(a+b)/ab
x^2+x(a+b)+ab=0
x=(-(a+b)+(a-b))/2
=-b
x=(-(a+b)-(a-b))/2
=-a
[quadratic formula i.e ax^2+bx+c=0]

Like? Yes (4) | No (5)  

Maya   11 years AGO

1/(a+b+x)=(1/a)+(1/b)+(1/c)
=>1/(a+b+x)=bx+ax+ab/abx
=>abx=abx+b^2x+bx^2+a^2x+abx+ax^2+a^2b+ab^2+abx
=>ax^2+bx^2+a^2x+b^2x+2abx+a^2b+ab^2=0
=>x^2(a+b)+x(a+b)^2+ab(a+b)=0
=>x^2+x(a+b)+ab=0
=>(x+a)(x+b)=0
Therefore,x=-a,x=-b

Like? Yes (9) | No (10)  

Shashi Kumar Gupta   11 years AGO

above eqtn can be written as..
{1/(a+b+x)}-(1/x) = (1/a)+(1/b) ....
on solving above eqtn..
we get
(-x)*(a+b+x)=a*b ....

by hit n trial we get x=-a and x=-b

Like? Yes (4) | No (5)  

tirtharaj   11 years AGO

1/(a+b+x)-(1/x)=(1/a)+(1/b)
=>x-a-b-x/x(a+b+x)=(a+b)/ab
=>-1/x(a+b+x)=1/ab [as (a+b)not =0]
=>x^2+x(a+b)+ab=0
so x=-(a+b)+- sq root of ((a+b)^2-4ab))/2
so x=-a,-b

Like? Yes (3) | No (4)  

ch.jyothsna   11 years AGO

{1/(a+b+x)} = bx+ax+ab/abx
then a+b+x = abx/bx+ax+ab
then x = (abx/bx+ax+ab)-(a+b)
solving this we will get x^2+ax+bx+ab=0
x=-a x=-b

Like? Yes (4) | No (5)  

Rats   11 years AGO

when we put x=-a
{1/(a+b-a)}=(1/a)+(1/b)-(1/a)
1/b=1/b........proved
when we put x=-b
{1/(a+b-b)}=(1/a)+(1/b)-(1/b)
1/a=1/a......proved
Hence x=-a, x=-b

Like? Yes (10) | No (12)  

mounica chowdary   11 years AGO

solving the given equation we get
x^2+x*(a+b)+ab=0
x(x+a)+b(x+a)=0
(x+a)(x+b)=0
where x=-a;x=-b

Like? Yes (13) | No (15)  

Udhaya kumar   11 years AGO

from given we get x^2+x(a+b)+ab=0
then we get x=-a and x=-b..........

Like? Yes (2) | No (4)  

Parveen Soni   11 years AGO

On solving given eqn we have
(a+b) (x^2+(a+b)*x+ab)=0
since a+b is not zero hence the second on ewill be zero which result into x=-a and x=-b
option 4

Like? Yes (5) | No (8)  

Yogesh Bairagi   11 years AGO

Given equation satisfy x=-a and x=-b

Like? Yes (3) | No (6)  

D venkatesh babu   11 years AGO

sustitute in the equation..

Like? Yes (3) | No (6)  

khushboo singh   11 years AGO

becoz for both values of x i.e -a and -b
LHS=RHS

Like? Yes (6) | No (9)  

Himanshu Kumar Gupta   11 years AGO

1/(a+b+x) = 1/a+1/b+1/x
On simplyfying we get
X-a-b-x/x(a+b+x) = a+b/(ab)
We find quadratic eqn
X^2+(a+b)x+ab = 0
On solving we get x=-a and x= -b

Like? Yes (6) | No (9)  

KALIDASS   11 years AGO

1/(a+b+x)=(1/a)+(1/b)+(1/x)
1/(a+b+x)=(bx+ax+ab)/(abx)
((a+b)^2)x+(a+b)x^2+ab(a+b)=0
x^2+(a+b)x+ab=0
x=-a,x=-b

Like? Yes (8) | No (11)  

Prakash Singh   11 years AGO

solving the equation we get x= -a,-b

Like? Yes (4) | No (7)  

vikash kumar   11 years AGO

after solving equation , we get
(x+a)(x+b)(a+b)=0
thus,x=-a,x=-b

Like? Yes (3) | No (6)  

Fighter   11 years AGO

by solving eqn we get x=-a,-b

Like? Yes (2) | No (5)  

ashiwani kumar singh   11 years AGO

go to answer option choose the value of x who staisfy the condition for putting the value of x in problem
l.h.s.=r.h.s.

Like? Yes (2) | No (5)  

SUNDARAM   11 years AGO

On simplifying the given equation we get,

(x^2)+x(a+b)+ab=0

by solving the above equation we get,

x=-a,x=-b

Like? Yes (2) | No (5)  

Mayuresh Srivastava   11 years AGO

After solving given equation
x^2+x(a+b)+ab=0
(x+a)(x+b)=0
x=-a,x=-b.

Like? Yes (10) | No (14)  

rohit kumar   11 years AGO

given that,
{1/(a+b+x)}={1/a+1/b+1/x}
=>{(bx+ax+ab)/abx}=1/(a+b+x)
=>abx=(a+b+x)(bx+ab+ax)
after solving,we get
=>(x+a)(x+b)=0
=>x=-a or x=-b

Like? Yes (5) | No (9)  

MUKESH KUMAR   11 years AGO

since x=-a,x=-b satisfies the equation.

Like? Yes (7) | No (11)  

Aarush Singh   11 years AGO

x= -a and x=-b only satisfies the given equation

Like? Yes (3) | No (7)  

Bingumalla Abinay   11 years AGO

substituting we get answer

Like? Yes (3) | No (7)  

Nirmalram   11 years AGO

trial method,
substitute the given answers in the given equation
with a,b with random numbers except 0.
option 4) satisfies those condition

Like? Yes (3) | No (7)  

sugyani dalai   11 years AGO

put the value of x = -a 0r x = -b
which satisfies the equation.

therefore x=-a,x=-b

Like? Yes (4) | No (8)  

ravi singh   11 years AGO

answer is X=-a , X=-b

solve simple equation

Like? Yes (4) | No (8)  

02 Oct 2013 Solve

A trader purchase 4 bags of rice and 10 bags of wheat for Rs.3600. He sells rice at 10% gain and wheat 2% loss and thus he gained Rs.120. Find C.P. of one bag of rice.

OPtion

1) 50
2) 150
3) 400
4) 300
5) 600
6) 450
7) 500
8) 650
9) 200
10)None of these

Solution

Let C.P. of one bag of rice be Rs.x and C.P. of one bag of wheat be Rs. y.
Then
4x+10y=3600
2x+5y=1800 (i)
by given condition (gain and profit)
Gain of Rs.4x @10% = (10/100)*4x = Rs.(2x/5)
Loss of Rs. 10y @ 2% = (2/100)*10y = Rs.y/5
(2x/5) + (y/5) = 120
2x-y=600 (ii)
solve
x=400
optin 3

Correct Option: 3 Best Solution (66)

Rats   11 years AGO

Let C.P. of rice =R
and C.P. of wheat=W
4R+10W=3600......(1)
10% gain on wheat=2R/5
2%loss on wheat=W/5
(2R/5)-(W/5)=120
W=2R-600.....(2)
On solving (1)and (2)
we get R=400
So, C.P. of one bag of rice=Rs400.......Ans

Like? Yes (16) | No (3)  

Muhammad Nadeem Haider Naseem   11 years AGO

Let the cost price (C.P.) of 1 bag of rice be Rs x
and the cost price (C.P.) of 1 bag of wheat be Rs y
Then the cost price (C.P.) of 4 bags of rice = Rs 4x
and the cost price (C.P.) of 10 bags of wheat = Rs 10 y
Given:
Total C.P. = Rs 3600
⇒ 4x + 10y = 3600
⇒ 2x + 5y = 1800 ......... (1)


Thus, overall gain = Rs 120

Putting the value of y on (1) we get
2x + 5(2x – 600) = 1800
⇒ 2x + 10x – 3000 = 1800
⇒ 12x = 3000 + 1800 = 4800

⇒ y = 2×400 – 600 = 800 – 600 = 200
Hence, the C.P. of one bag of rice = Rs 400
and the C.P. of one bag of wheat = Rs 200

Like? Yes (8) | No (4)  

Rajesh   11 years AGO

Answer is 400.
let c.p of rice is and 'x' wheat is 'y'
4x+10y=3600
4.4x+9.8y=3720
solving this we get cost price of 400.

Like? Yes (2) | No   

Mayuresh Srivastava   11 years AGO

4r+10w=3600
4r'+10w'=3720.
10r'=11r and 49w=50w'
so r=400(cost price of 1 bag of rice).

Like? Yes (2) | No   

Nilla sai sumanth   11 years AGO

let cost of 4 rice bags=x
cost of 10 wheat bags=y
x+y=3600
10% gain on rice bags=+0.1x
2% loss on wheat bags=-0.02y
total sp= x+0.1x+y-0.02y
profit =sp-cp=120
(x+0.1x+y-0.02y)-(x+y)=120
0.1x-0.02y=120
x+y=3600
by solving, we get x=1600 & y=2000
therefore cost of one rice bag is 1600/4=400

Like? Yes (1) | No   

shahjad khan   11 years AGO

Suppose cp of one bag of rice is R
and cp of one bag of wheat is W
then
4R+10W=3600 .......(i)

now 10% gain on 4R means 4.4R [4+(4*10/100)]
and 2% loss in 10W means 9.8W [10-(10*2/100)]
and he gains 120 rs. means total sp=3600+120 ie; 3720
so new equation is
4.4R+9.8W=3720 .......(ii)

on solving equation i & ii, we get
R=400;
W=200;

Like? Yes (1) | No   

sriganesh   11 years AGO

From the option if we are taken c.p of rice is 400 means then 4kg rice c.p is 1600 and remaining 2000 is c.p of wheat.for rice he sells 10% profit means then Rs.160 is profit on rice then wheat is sold for 2% lose then Rs.40 is lose on wheat so net profit is Rs.120(160-40=120)
So the final answer is 400 i.e option 3

Like? Yes (1) | No   

Gudivada sunitha   11 years AGO

4rice+10 wheat = 3600, 1.1* 4 rice +0.98*10 wheat=120. solving these two equations answer s 400

Like? Yes (2) | No (1)  

syam   11 years AGO

Let the cost price (C.P.) of 1 bag of rice be Rs x

and the cost price (C.P.) of 1 bag of wheat be Rs y

Then the cost price (C.P.) of 4 bags of rice = Rs 4x

and the cost price (C.P.) of 10 bags of wheat = Rs 10 y

Given:

Total C.P. = Rs 3600

⇒ 4x + 10y = 3600

⇒ 2x + 5y = 1800 ......... (1)

Thus, overall gain = Rs 120

Putting the value of y on (1) we get

2x + 5(2x – 600) = 1800

⇒ 2x + 10x – 3000 = 1800

⇒ 12x = 3000 + 1800 = 4800

⇒ y = 2×400 – 600 = 800 – 600 = 200

Hence, the C.P. of one bag of rice = Rs 400

and the C.P. of one bag of wheat = Rs 200

Like? Yes (2) | No (1)  

ShAg   11 years AGO

let x be the price of one bag of rice and y be the price of one bag of wheat, so our eqns are:
4x + 10y = 3600
4.4x + 9.8y = 3720
we get x=400 and y=200
so price of one bag of rice = Rs.400

Like? Yes (1) | No   

Hemanth Mps   11 years AGO

let cost of each bag of rice be Rs. x and that of wheat be Rs. y.
4x+10y =3600
and 4.4x+9.8y =3720
solving both we get x=Rs400

Like? Yes (1) | No   

Parveen Soni   11 years AGO

4*X+10*Y=3600..................eq (1)
4*(X+X*{10/100})*X+10*(Y-Y*{2/100})-3600=120..eq (2)

Now on solving (1) & (2) we have
X=400 and Y=200

Like? Yes (2) | No (1)  

Dr.Dipin Singh   11 years AGO

4R+10W=3600 ..............(1)
0.1*4R- 0.02*10W=120
0.4R-0.2W=120 or 4R-2W =1200...(2)
From (1) and (2)
R=400, W=200

Like? Yes (3) | No (2)  

Neha Sharma   11 years AGO

let the C.P of 4 bags of rice =x
then x+ C.P of 10 bags of wheat =3600
C.P of 10 bags of wheat= Rs(3600-x)
10% of (4 bags of rice)- 2% of(10 bags of wheat) =120
so
10% of x -2% of (3600-x)=120
x/10 - 2(3600-x)/100 = 120
(10x-7200+2x)/100 = 120
12x - 7200 = 12000
12x = 19200
x = 1600
so C.P of 4 bags rice = 1600
then C.P of 1 bag of rice = 400

Like? Yes (1) | No   

prakash kumar   11 years AGO

let cp of rice=r
cp of wheat=w
given, 4r+10w=3600-------(1)
now, 4*1.1r+10*9.8w=3720
4.4r+9.8w=3720
44r+98w=37200-------(2)
from eqn (1),
44r+110w=39600-------(3)
from 3-2,
12w=2400
w=200
from(1),
4r+10*200=3600
4r=1600
r=400

Like? Yes (1) | No   

Prarthana   11 years AGO

by forming 2 euation from the above condition and solving it simultaneously we get the ans as 600
the 2 euations are
4x + 5y=3600
4x - y=1200;

Like? Yes (1) | No   

arjun kumar   11 years AGO

make the eqn
1- 4r+10w=3600
2- 4.4r+9.8w=3720
sol these eq u will get the ans 400

Like? Yes (1) | No   

Aashmi chaudhary   11 years AGO

let cp of 1 bag of rice be x and that of wheat be y
Total C.P. = Rs 3600
⇒ 4x + 10y = 3600
⇒ 2x + 5y = 1800 ......... (1)


Thus, overall gain = Rs 120

Putting the value of y on (1) we get
2x + 5(2x – 600) = 1800
⇒ 2x + 10x – 3000 = 1800
⇒ 12x = 3000 + 1800 = 4800

⇒ y = 2×400 – 600 = 800 – 600 = 200
Hence, the C.P. of one bag of rice = Rs 400

Like? Yes (1) | No   

ashiwani kumar singh   11 years AGO

let c.p of rice x and wheat y
accordng to c.p.
4x+10y=3600
accordng to s.p.
44x+98y=37200
solve it..

Like? Yes (1) | No   

Sampath Kumar   11 years AGO

Consider price of rice as x and price of wheat as y.
Initially x+y=3600,

He sells rice at 10% gain and wheat with 2% loss,
so it becomes 1.1x+0.98=3720

On solving both the equation we get
x=1600

CP of 4 bags = 1200
CP of one bag = 1200/4=400(ans)

Like? Yes (1) | No   

Swathi Badam   11 years AGO

Let us say the C.P. of 4 rice bags be Rs.x.
Then C.P. of 10 wheat bags is Rs.(3600-x)
The gain by selling rice is 10% so S.P. is 110x/100
The loss obtained by selling wheat is 2% S.P.=98(3600-x)/100
Total gain is Rs.120.So,Total S.P.-total C.P.=gain
(110x/100)+(98(3600-x)/100)-3600=120
(11x/10)+3528-(49x/50)-3600=120
6x/50=192=>x=1600
C.P. of 4 rice bags is Rs.1600
C.P. of a rice bag is 1600/4=Rs.400

Like? Yes (1) | No   

rohit kumar   11 years AGO

let x be the cp of 1 packet of rice
and y be the of 1 packet of wheat
4x+10y=3600....(1)
4(x+0.10x)+10(y-0.02y)=3720....(2)
on solving above 2 equtn,we get x=400 & y=200

Like? Yes (1) | No   

Aman Kohli   11 years AGO

let cp of one rice be x and wheat be y....
4*x + 10*y = 3600----------(A)

Rice S.P. = 1.1*x
Wheat S.P. = .98*y

Total S.P. = 3600+120 = 3720

1.1*x + .98*y = 3720-------------(B)

solving a and b

x=400 (ANS)

Like? Yes (2) | No (1)  

Anusha   11 years AGO

let cost of rice=x cost of wheat=y then 4x+10y=3600 and 4(11x/10)+10(49y/50)=3720(3600+120profit)
where 11x/10=sp of rice and 49y/50=sp of wheat
solving 2 eqns we get x=400 y=200

Like? Yes (1) | No   

bollimuntha ravi teja   11 years AGO

Let the cost price (C.P.) of 1 bag of rice be Rs x
and the cost price (C.P.) of 1 bag of wheat be Rs y
Then the cost price (C.P.) of 4 bags of rice = Rs 4x
and the cost price (C.P.) of 10 bags of wheat = Rs 10 y
Given:
Total C.P. = Rs 3600
⇒ 4x + 10y = 3600
⇒ 2x + 5y = 1800 ......... (1)


Thus, overall gain = Rs 120

Putting the value of y on (1) we get
2x + 5(2x – 600) = 1800
⇒ 2x + 10x – 3000 = 1800
⇒ 12x = 3000 + 1800 = 4800

⇒ y = 2×400 – 600 = 800 – 600 = 200
Hence, the C.P. of one bag of rice = Rs 400
and the C.P. of one bag of wheat = Rs 200

Like? Yes (1) | No   

abhinav paul   11 years AGO

let CP of rice b R, and of wheat is W.
4R+10W=3600
using CP*(profit/loss %age)=SP,
we get 4.4R+9.8W=3720
solving it, we get R=400

Like? Yes (1) | No   

Kanika   11 years AGO

let CP of 4 rice bags is x
let CP of 10 wheat bags is y
total Cost price=3600
x+y=3600

gain=120
SP=3600+120=3720
3720=(110/100)x+(98/100)y ...(1)
y=3600-x
so eq(1) becomes
3720=(110/100)x+(98/100)(3600-x)
372000=110x+(98*3600)-98x
372000-352800=12x
12x=19200
x=1600

so cost of 4 rice bags=1600
cost of 1 rice bag=1600/4 =400

Like? Yes (1) | No   

Sneha   11 years AGO

Let cp of 1 rice bag be r and 1 wheat bag be w
cp=3600
4r+10w=3600-->1
sp=(110/100)4x+(98/100)10w=3720
440r+980w=372000-->2
solving eq 1 and 2
r=400 and w=200
so cost of rice bag is 400

Like? Yes (1) | No   

aman kumar tiwari   11 years AGO

4r+10w=3600
4.4r+9.8w=3720
after solve r=400,w=200

Like? Yes (1) | No   

KALIDASS   11 years AGO

Let x be c.p of rice and y be wheet.
4x+10y=3600...(1),4.4x+9.8y=3720...(2)
substract 1 & 2 we get
4x-0.2y=120....(3)(for easy operation)
solve 1 & 3 we get
then x=400,y=200

Like? Yes (1) | No   

VISHAL KUMAR   11 years AGO

let x is c.p of rice & y for wheat then
4*x+5*y=3600....(1)
rice s.p will be when gain is 10% equal to (x+x*10/100)
wheat s.p will be when loss is 2% equal to
(y-y*2/100)
so,a/q
4*110*x/100+5*98*y/100=3600+120....(2)
by solving these 2 equation u will get x=400

Like? Yes (1) | No   

NITESH DAS   11 years AGO

let,4 bag rice c.p=x ,10 bag wheet c.p=3600-x,
x*(10/100)-(3600-x)*(2/100)=120
x=1600
one bag rice cost=(1600/4)=400.

Like? Yes (1) | No   

saranya   11 years AGO

1 bag rice=400 then 4 bag 1600.so balance is 2000 which is cp of wheat 2000/10=200 which is cp of one wheat bag.
rice 10% porfit=1600*10/100=160rs profit so sp(rice)=1760
wheat 2% loss=2000*2/100=40rs loss so sp(wheat)=1960
sp of both=3720.
profit=3720-3600=120

Like? Yes (1) | No   

Himanshu Kumar Gupta   11 years AGO

Let x be the c.p. Of 1 bag of rice
And y be the c.p. Of 1 bag of wheat
Then 4x+10y=3600
4.4x+9.8y=3720
So, x=400 and y=200

Like? Yes (2) | No (1)  

kiranchowdary   11 years AGO

4x+10y=3600
4(.1x)+10(-.02y)=120
we get y=200&x=400

Like? Yes (1) | No   

samayamantula naga venkata Chandra kishore   11 years AGO

4x+10y=3600, 4.4x+9.8y=3720........then x=400, y=200

Like? Yes (1) | No   

amit kumar burnwal   11 years AGO

let A=C.P of rice and B=C.P of wheat
then,
4A + 10B = 3600 .......(1)
4.4A + 9.8B = 3720........(2)
solving these equation,
A=400

Like? Yes (1) | No   

ravi singh   11 years AGO

answer is 400

its a simple problm of cp and sp

Like? Yes (1) | No   

Shashank Kumar    11 years AGO

let the c.p of each rice bag be rs 200 and c.p of each wheat bag be rs 100, then we get a profit of rs 60. given profit is rs 120, so the c.p of 1 bag of rice is rs 400

Like? Yes (1) | No   

Koushik Ghosh   11 years AGO

cp of 1 bag rice = x cp of 1 bag wheat = y

4x + 10 y = 3600

(10/100)*4x - (2/100)*10y = 120

now solving for x we get x = 400.

Like? Yes (1) | No (1)  

Harsh Poddar   11 years AGO

let cost of 1 bag rice=x
let cost of 1 bag wheat=y
4x+10y=3600...........(1)
10% gain on rice 2% loss on wheat
(110/100)*4x
(98/100)*10y
he gained 120 new cost=3600+120=3700
(110/100)*4x+(98/100)*10y=3700..............(2)
solving 1 and 2 x value we get 400 ans
option 3

Like? Yes (1) | No (1)  

sandy   11 years AGO

given 4R+10W=3600................1
AND (11/10)(4R)+(98/100)(10W)=3720...........2
on simplify 2 we get 44R+98W=37200.....3
SOLVE 1 AND 3
we get W=200 and substitute in 1 we get R=400

Like? Yes (2) | No (2)  

raghuram dharmavarpu   11 years AGO

x=rice cost,y=wheat cost
4x+10y=3600-(1)
4(.1x)+10(-.02y)=120,then it becomes 4x-2y=1200-(2)
1-2 gives y=200 and then x=400

Like? Yes (1) | No (1)  

Dinesh thatti   11 years AGO

4x+10y=3600

2x+5y=1800 ......... (1)

gain =10% =>2/5x

loss =2%=>y/5

overall gain 120/-

5/2x-y/5=120

by solving this y=2x-600---(2)

put this in (1)

we get x=400

y =2×400–600=800–600=200

one bag of rice = Rs 400

Like? Yes (1) | No (1)  

kumar sundram   11 years AGO

Let the cost price of one bag rice is Rs.x and cost price of one bag wheat is Rs.y.
a/c question-
4x+10y=3600.......(1)
selling price of one bag rice is Rs.(x+x/10) and selling price of one bag wheat is (y-y/50).
again, a/c question-
4(x+x/10)+10(y-y/50)-(4x+10y)=120
or, (2/5)x-(1/5)y=120
or, 2x-y=600.......(2)
mulipliying equation (2) ten times and adding with equation (1) we get,
24x=9600
so, x=400.
thus, C.P of one bag of rice is Rs.400.

Like? Yes (1) | No (1)  

Tanvir Rahman   11 years AGO

sp=3600+120=3720
let price of one bag of rice=x
let price of one bag of wheat=y
According to question,
4x+10y=3600-----(1)
4*(110x/100)+10*(98y/100)=3720------(2)
by solving equation (1) & (2)
x=400
so price of one bag of rice=400

Like? Yes (1) | No (1)  

Manohar Kumar   11 years AGO

Let the C.P. of one bag of rice and one bag of wheat is x and y resp.,then
4x+10y=3600
and 4x(110/100)+10y(98/100)=3720
Solving these two equation we get x=400

Like? Yes (1) | No (1)  

Grishma Shah   11 years AGO

Let the cost price (C.P.) of 1 bag of rice be Rs x
and the cost price (C.P.) of 1 bag of wheat be Rs y
Then the cost price (C.P.) of 4 bags of rice = Rs 4x
and the cost price (C.P.) of 10 bags of wheat = Rs 10 y

Given:
Total C.P. = Rs 3600
⇒ 4x + 10y = 3600
⇒ 2x + 5y = 1800 ......... (1)

Gain on rice: 4x*10%= 2/5x
loss on wheat: 10y*2%= y/5

Thus, overall gain = Rs 120

Adding gain of rice+ loss of whear = overall gain
Which results to
2x-y=600
y= 2x - 600.

Putting the value of y on (1) we get
2x + 5(2x – 600) = 1800
⇒ 2x + 10x – 3000 = 1800
⇒ 12x = 3000 + 1800 = 4800

⇒ y = 2×400 – 600 = 800 – 600 = 200
Hence,
the C.P. of one bag of rice = Rs 400
and the C.P. of one bag of wheat = Rs 200

Like? Yes (1) | No (1)  

prabhat kumar   11 years AGO

sp=3600+120=3720
let price of one bag of rice=x
let price of one bag of wheat=y
According to question,
4x+10y=3600-----(1)
4*(110x/100)+10*(98y/100)=3720------(2)
by solving equation (1) & (2)
x=400
so price of one bag of rice=400

Like? Yes (1) | No (1)  

anjali   11 years AGO

let cp of rice be x. cp of wheat be 3600-x
sp of rice = 110/100*x sp of wheat = 98/100*(3600-x)
110/100*x+98/100*(3600-x)-3600=120
therefore x= 1600
cp of i bag = 1600/4=400

Like? Yes (1) | No (1)  

Vasavi Sarika   11 years AGO

Total C.P. = Rs 3600
4x + 10y = 3600
2x + 5y = 1800-----(1)

Gain on rice=4x*10/100=2x/5
loss on wheat=10y*2/100=y/5

Thus, overall gain = Rs 120
2/5x-y/5=120
2x-y=600
y=2x-600------(2)

Putting the value of y on (1) we get
2x + 5(2x – 600) = 1800
2x + 10x – 3000 = 1800
12x = 3000 + 1800 = 4800

y = 2×400 – 600 = 800 – 600 = 200
Hence, the C.P. of one bag of rice = Rs 400
and the C.P. of one bag of wheat = Rs 200

so the option 3 is correct

Like? Yes (1) | No (1)  

Rajat Arora   11 years AGO

let rice bag be of x rs
n wheat be of y rs
=> 4x+10y=3600....(A)
sp of rice= 4*x(1+10/1000)...1
sp of wheat = 10*y(1-2/100)....2
=>profit= sp-cp
4.4x+9.8y-(4x+10y)=120...(B)
solving A & B
x=400 y=200
rice cost/bag=400rs

Like? Yes (1) | No (1)  

Rashmi bharti   11 years AGO

let cp of one bag of rice is x and one bag of wheat is y.
then 4x+10y=3600---(1)
again, 4x*(10/100)-10y*(2/100)=120---(2)
on solving these two we get x=400.

Like? Yes (1) | No (1)  

SWETA YADAV   11 years AGO

let cost price of each rice bag be x and that of each bag of wheat be y.
4x+10y=3600.........(1)
profit=s.p-c.p.........(2)
here profit=120.........(3)
s.p=1.1*4x+.98*10y.......(4)
as rice is sold with 10% profit and wheat with 2%
loss .
from eqn 1,2,3 and 4
.4x-.2y=120........(5)
from equation 1 and 5 we have
x=400(cp of rice)
y=200(cp of wheat)

Like? Yes (1) | No (1)  

Parthiban C   11 years AGO

4x+10y=3600,......eq1
4(1.1x)+10(0.98y)=3720 .....eq2
Solve 1&2(by multiplying eq1 by 98 and eq2 by 100)
x=400, then y=200 then apply in eq1 3600=3600
so ans is 400

Like? Yes (2) | No (2)  

Bholanath    11 years AGO

4x+10y=3600
4.4x+9.8y=3720
on solving
x=400

Like? Yes (1) | No (1)  

Aakash Kumar   11 years AGO

4x+10y=3600
44x+98y=37200
solving equations we get price of rice per bag=400

Like? Yes (1) | No (1)  

Jigyasa Kumar   11 years AGO

Let the cost price (C.P.) of 1 bag of rice be Rs x

and the cost price (C.P.) of 1 bag of wheat be Rs y

Then the cost price (C.P.) of 4 bags of rice = Rs 4x

and the cost price (C.P.) of 10 bags of wheat = Rs 10 y

Given:

Total C.P. = Rs 3600

⇒ 4x + 10y = 3600

⇒ 2x + 5y = 1800 ......... (1)

Thus, overall gain = Rs 120

Putting the value of y on (1) we get

2x + 5(2x – 600) = 1800

⇒ 2x + 10x – 3000 = 1800

⇒ 12x = 3000 + 1800 = 4800

⇒ y = 2×400 – 600 = 800 – 600 = 200

Hence, the C.P. of one bag of rice = Rs 400

Like? Yes (1) | No (1)  

Aarush Singh   11 years AGO

Let the cost price (C.P.) of 1 bag of rice be Rs x

and the cost price (C.P.) of 1 bag of wheat be Rs y

Then the cost price (C.P.) of 4 bags of rice = Rs 4x

and the cost price (C.P.) of 10 bags of wheat = Rs 10 y

Given:

Total C.P. = Rs 3600

⇒ 4x + 10y = 3600

⇒ 2x + 5y = 1800 ......... (1)

Thus, overall gain = Rs 120

Putting the value of y on (1) we get

2x + 5(2x – 600) = 1800

⇒ 2x + 10x – 3000 = 1800

⇒ 12x = 3000 + 1800 = 4800

⇒ y = 2×400 – 600 = 800 – 600 = 200

Hence, the C.P. of one bag of rice = Rs 400

Like? Yes (1) | No (1)  

Preety Soni   11 years AGO

let cost price of one rice bag is x and one wheat bag is y..
4x+10y=36000......(1)
He sells rice at 10% gain and wheat 2% loss and thus he gained Rs.120
so,
selling price of rice is 4x+4x/10
selling price of wheat is 10y-y/5
and total selling price= 3600+120=3720
another equn is form...
4x+4x/10+10y-y/5=3720
44x+98y=37200......(2)
by solving equn 1 and 2 we get
x= 400
so, C.P. of one bag of rice=400... ans

Like? Yes (2) | No (2)  

MUKESH KUMAR   11 years AGO

4r + 10w = 3600
4.40r + 9.8w = 3720,
Solving, r = 400.

Like? Yes (1) | No (1)  

NIDHI   11 years AGO

4r + 10w = 3600
4.40r + 9.8w = 3720,
Solving, r = 400.

Like? Yes (1) | No (1)  

Yallapu Uday tarun kumar   11 years AGO

4X+10Y=3600
4.4X+10.02Y=3720
on solving these we get X=400
any Y=200

Like? Yes (1) | No (1)  

Prashant Bhushan   11 years AGO

let rice price is 400,and wheat price is 200.then, 4 bag rice price -1600 and 10 bag wheat -2000. 10%of gain =160,2%loss=40.
it means 120 he gains. so c.p. of 1 bag of rice=400

Like? Yes (2) | No (2)  

Udhaya kumar   11 years AGO

let x as price of rice , y as wheat
from given 4x+10y=3600
4(x+10x/100)-10(y-2y/100)=3600+120
by solving these two eqn we get x=400 y=200
so price of one bag is 400.....

Like? Yes (1) | No (1)  

Ravishankar Manikanta N   11 years AGO

otal C.P. = Rs 3600
⇒ 4x + 10y = 3600
⇒ 2x + 5y = 1800 ......... (1)


Thus, overall gain = Rs 120

Putting the value of y on (1) we get
2x + 5(2x – 600) = 1800
⇒ 2x + 10x – 3000 = 1800
⇒ 12x = 3000 + 1800 = 4800

⇒ y = 2×400 – 600 = 800 – 600 = 200
Hence, the C.P. of one bag of rice = Rs 400
and the C.P. of one bag of wheat = Rs 200

Like? Yes (1) | No (1)