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Ramakrishna to Saraswathy 10 years ago

Q: If in a class of 30 students 5 students take neither tea nor coffee. 10 take tea but not coffee and 14 take tea. Them how many take coffee but not tea? I NEED COMPLETE SOLUTION PLS HELP ME

Reply Like? Yes (2) | No (1)

Ramakrishna to Shreya Banerjee 10 years ago

Q: The intercepts made on coordinate axis by the line passing through the points (4,-7) and (1,-5) are ? I NEED COMPLETE SOLUTION PLS HELP ME

Reply Like? Yes (1) | No (2)

rupesh 10 years ago

first u have to find slope (m) for x1,y1 and x2,y2 slope=y1-y2/x1-x2 i.e -2.
eq=y-y1=mx-x1
2x+y-1=0
for x intercept y=0
a=1/2
y=1

Like? Yes (3) | No (1)

jyoti chandra 10 years ago

rupesh the slope is wrong!!!!! why u misguide? if u dont know then leave it!!!

Like? Yes (2) | No (1)

Ramakrishna 10 years ago

Q: Ravi works as a casheir in a bank. he has currency of denominations 100rs, 50rs, 10rs respectively. The ratio of number of these notes is 3:5:6. Total cash with ravi is 12200. How many notes of 50rs denomination does he has? I NEED COMPLETE SOLUTION PLS HELP ME

Reply Like? Yes (1) | No (2)

Devendra Marghade 10 years ago

Ans. 100

If 3x, 5x, 6x numbers of notes of 100, 50 & 10 Rs. are there respectively,
[100*3x] + [50*5x] + [10*6x] =12200
610x= 12200
x=20
So number of Rs. 50 note=5*20= 100

Like? Yes (2) | No (1)

Pradeep 10 years ago

3x, 5x, 6x ;; 3*100X + 5*50X +6*10 X =12200 ;; 300X+250X+60X =12200;; 610X=12200 ;; X=20;; 5*20=100

Like? Yes (1) | No (1)

Ramakrishna 10 years ago

Q: Village X has a population of 68000 which is decreasing at the rate of 1200 per year.
Village Y has a population of 42000 which is increasing at the rate of 800 per year. In how many years will the population of the two villages be equal? I NEED COMPLETE SOLUTION PLS HELP ME

a) 7yr b) 13yr c) 16yr d) 22yr

Reply Like? Yes (21) | No (2)

Bharath 10 years ago

b 13Yrs

Let us say X is the number of years then

68000-1200*x=42000+800*x
2000x=26000
x=13 Yrs

Like? Yes (2) | No (1)

NITHIN 10 years ago

let assume no of years are x
then 68000-1200*x=42000+800*x
2000*x=26000
x=13
answere is 13 yrs

Like? Yes (5) | No

Ramakrishna 10 years ago

Reply Like? Yes | No

Ramakrishna 10 years ago

Q: A motor boat whose speed is 15km/hr in still water goes 30km downstream and comes back in a total 4hr 30min. The speed of the stream is in km/hr? I NEED COMPLETE SOLUTION PLS HELP ME

a) 4 b) 5 c) 6 d) 10

Reply Like? Yes | No

VanajaDevi 10 years ago

Speed in still water 15km/hr,so
Consider speed of stream xkm/hr
then downstream=15+x, Upstream=15-x
total distance(dowmstream+upstream)=30km&total time 4hrs30min to cover downstream and upstream so,
30km/(15+x)km/hr+30km/(15-x)km/hr=4.30(OR)9/2
by solving we get x=5

Like? Yes (3) | No

manas sachan 10 years ago

ans=5
let sp of stream be x
time during downstream,t1=30/(15+x)
time during against downstream,t2=30/(15-x)
t1+t2=4hr 30 min
calc it,x=5

Like? Yes | No

Ramakrishna to Ann Theressa 10 years ago

Q: A and B are working on a assignment. A take 6 hrs to type 32pages on a computer,while B takes 5hrs to type 40pages.How much time will they take working together on two different computers to type assignment of 110pages? I NEED COMPLETE SOLUTION PLS HELP ME

a) 5:15 b) 4:30 c) 8:15 d) 7:45

Reply Like? Yes (1) | No

Devendra Marghade 10 years ago

c) 8:15

A & B will type (32/6)+(40/5)=40/3 pages in 1 hour.
So time(in hours) to type 110 pages= 110/(40/3) =33/4 =8.25 hrs. or 8 Hr. 15 min.

Like? Yes (2) | No

Ramakrishna to A SIRISHA 10 years ago

Q: Who is the Present Chief Information Commissioner ?

Reply Like? Yes | No

A SIRISHA 10 years ago

Who is the Present Chief Information Commissioner ?

vacant

Like? Yes (1) | No

Ramakrishna 10 years ago

Q: In a garden 10 rows and 10 columns of a mango tress are there. The distance between the two tress is 2m and a distance of 1m is left from all sides of the boundary of the garden.The length of the garden is? I NEED COMPLETE SOLUTION PLS HEL ME

a) 20 m b) 22m c) 24m d)26m

Reply Like? Yes (2) | No

Shravya 10 years ago

given 10 rows , 10 columns.. so square garden . 9 gaps bw 10 trees..9*2=18,18+1+1(for boundaries)=20 m

Like? Yes (2) | No

Jeyadev 10 years ago

It is a square garden so length on all sides is equal.
between tree and wall distance=1 m
so on both sides it will be 2*1m= 2m;
now btw each tree 2 m... total 10 trees ,so 9 gaps hence 9*2 m= 18 m.
totalling 18+2=20 m

Like? Yes | No

Ramakrishna to A SIRISHA 10 years ago

Q: The number of students in each section of a school is 24. After admitting new students three new sections were started. Now the total number of sections is 16 and there are 21 students in each section. The number of new students admitted is? I NEED COMPLETE SOLUTION PLS HELP ME

Reply Like? Yes (26) | No (7)

Nithiya 10 years ago

before joining the new stds, total no of section would be 13
total no.of stds is 13*21=312
after admitting few std,total no of section is 16
now the total would be 16*21=436
so,no of new comers is 436-312=124

Like? Yes (6) | No (13)

A SIRISHA 10 years ago

number of new students admitted is = 24

Like? Yes (4) | No (7)

Anish. 10 years ago

Per section before joining= 24
No. Of sections before joining = 13
Then total no. Of students before joining = 24*13=312
No. Of sections added after joining = 13+3=16
No. Of students per section after joining = 21
Then total no. Of students after joining= 16 * 21=336
So, total no. Of students joined = 336-312=24

Like? Yes (7) | No

Ramakrishna 10 years ago

Q: A 1.2m girl see a baloon moving in horizontal line at height of 88.2m at angle of inclination of 60 degrees from her eyes. After some time the angle of elevation is 30 degrees. Find the distance travelled by baloon in his interval?
I NEED COMPLETE SOLUTION PLS HELP ME

a) 91root3 b) 44root3 c) 58root3 d) 15root3

Reply Like? Yes | No

Sneha Singh 10 years ago

the ans. is c)58root3 ... apply tan ratios in both cases & take the perpendicular=87m. in both cases

Like? Yes | No

Ramakrishna 10 years ago

Q: There were 27 boys standing in a line. Amar was shifted 3 places to his right and occupied the middle position. What was his original position from left? I NEED COMPLETE SOLUTION PLS HELP ME

Reply Like? Yes | No

Devendra Marghade 10 years ago

11th

In the total 27 boys, middle position will be 14th
Before shifting to 3 places to right i.e. at 14th , he would be at 11th position from the left.

Like? Yes (1) | No

meruvapavani 10 years ago

11th

In the total 27 boys, middle position will be 14th
Before shifting to 3 places to right i.e. at 14th , he would be at 11th position from the left

Like? Yes (1) | No

Ramakrishna to abhishek narayan 10 years ago

Q: In a row of boys, Rajan is 10th from right and Suraj is 10th from left. when Rajan and Suraj interchange their positions. now suraj is 27th from left. What is Rajan position from right? I NEED COMPLETE SOLUTION

Reply Like? Yes (27) | No (3)

abhishek narayan 10 years ago

after interchange now we got that there are 16 students in between rajan and suraj. So, Rajan position is 16+10=27th from right.

Like? Yes (8) | No (3)

Ramakrishna to A SIRISHA 10 years ago

Q: In a 200m race A beat B by 10m or 2 seconds. What is A"s time over the race? I NEED COPLETE SOLUTION

a) 38sec b) 40 c) 42 d) none

Reply Like? Yes (19) | No

abhishek narayan 10 years ago

let the speed and time taken by B be x m/s and t sec respectively.
t*x=190
(t+2)*x=200
t=38 sec

Like? Yes (11) | No (1)

Ramakrishna 10 years ago

Q: Aam Aadmi party won how many loka sabha seats in general election 2014?

Reply Like? Yes | No

Deepak prajapati 10 years ago

total no of seats won by AAp in 2014 loka sabha=4

Like? Yes (1) | No

Ramakrishna 10 years ago

Q: A contractor employed 30 men to do a piece of work in 38days. After 25days he employed, 5men more and the work was finished one day earlier. How many days he would have been behind if he had not employed additional men? I NEED COMPLETE SOLUTION PLS HELP ME

a) 1 b) 1 1/4 c) 1 3/4 d) 1 1/2

Reply Like? Yes (55) | No (6)

Ramakrishna to NAVEEN KUMAR 10 years ago

Q: find the series? UPI,----, ODP, MBQ, IAW. I NEED COMPLETE SOLUTION PLS HELP ME

Reply Like? Yes (3) | No

NAVEEN KUMAR 10 years ago

ans-SHJ
for details. go to the
url "https://mega.co.nz/#!B0MxVZKI!5JuQ9h1lSeG2W6fQsPzf5FIdaDWSfoWakVlqvwClpdo"
& download the soln image.

Like? Yes (4) | No (1)

Ramakrishna to NAVEEN KUMAR 11 years ago

Q: Find the series 9, 19, 40, ---, 146 I NEED COMPLETE SOLUTION PLS HELP ME

a) 83 b) 69 c) 79

Reply Like? Yes (41) | No (9)

SUBHASH TULSYAN 11 years ago

bro i think the last term of the question is incorrect
i hv explained it as follows:
9=(9*2^0)+(2^1-(2+0))
19=(9*2^1)+(2^2-(2+1))
40=(9*2^2)+(2^3-(2+2))
83=(9*2^3)+(2^4-(2+3)) & so on
so its n term will be
n=(9*2^(n-1))+(2^n-(2+(n-1)))

Like? Yes (8) | No (6)

sreenivas reddy 11 years ago

ans:83 9*2=18+1=19,
19*2=38+2=40,
40*2=80+3 = 83

Like? Yes (11) | No (13)

ved prakash 11 years ago

how to preparing for amcat in data structure

Like? Yes (3) | No (5)

MANISH KUMAR SINGH 11 years ago

Ans is 69
Pattern is square of Prime no + multiple of 5

Like? Yes (27) | No (5)

sreekala 11 years ago

9*2+1=19
19*2+2=40
40*2+3=83
83*2+4=170

Like? Yes (6) | No (9)

surya 10 years ago

2*2 + 5 = 9
3*3+10 =19
5*5+15 =40
7*7+20 =69
11*11 +25 =146

Like? Yes (53) | No (3)

APPIKONDA SANTOSH NAIDU 10 years ago

9*2+1=19
19*2+2
40*2+3
so answer is 83 bro

Like? Yes (2) | No (8)

srinath T 10 years ago

9,
(9+9 +1)=19
(19+19 +2) =40
,(40+40 +3).=83

Like? Yes (2) | No (4)

mohamed rasik 10 years ago

hi bro the answer is 83

Like? Yes (1) | No (4)

A M ANKIT KALLURAYA 10 years ago

9,9*10+1=19,19*2+2=40,40*2+3=83

Like? Yes (3) | No (3)

Anmol saraogi 10 years ago

the answer will 83 because 9*2+1=19
19*2+2=40
40*2+3=83

Like? Yes | No (3)

Rabi Kumar 10 years ago

2*2+5=9
3*3+10=19
5*5+15=40
7*7+20=69
11*11+25=146
ans:69

Like? Yes (11) | No

kundan 10 years ago

(Prime no)^2 + n5 ,
n=1,2,3,4,5,6.........)

2x2 + 5 = 9
3x3+10 =19
5x5+15 =40
7x7+20 =69
11x11 +25 =146

so ans is 69

Like? Yes (12) | No

amit kumar singh 10 years ago

a it is like 9*2+1=19 which is next term
and 19*2+2=40 therd term
so the next term will be 40*2+3=83

Like? Yes | No (6)

RACHANA 10 years ago

83 because
9=9*2^0+(2^1-(2+0))
19=9*2^1+(2^2+(2+1))
40=similar
83="
146="

Like? Yes | No (4)

abhishek narayan 10 years ago

ans b)69
use square of prime numbers + multiple of 5.
2^2 + 5 =9
3^2 + 10=19
5^2 + 15=40
7^2 + 20=69
11^2 + 25=146

Like? Yes (3) | No

venkat 8 years ago

The answer is
square of prime + multiple of 5
2*2+5=9
3*3+10=19
5*5+15=40
7*7+20=69
11*11+25=146

Like? Yes (5) | No

Ramakrishna 11 years ago

Q: how many national parties in india present and their names?

Reply Like? Yes | No

NAVEEN KUMAR 11 years ago

http://en.wikipedia.org/wiki/List_of_political_parties_in_India

Like? Yes | No

Ramakrishna to AMREEN 11 years ago

no, i think correct ans is 7

Reply Like? Yes | No

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