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Dimple

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Punjab

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Maths Quotes

If I am given a formula and I am ignorant of its meaning, it cannot teach me anything, but if I already know it what does the formula teach me?

Saint Augustine of Hippo

MATHEMATICS is the key of every problem.

vivek .R

Placed User Comments

M4Math helped me a lot.

Vipul Chavan 4 years ago

Thanks m4 maths for helping to get placed in several companies.
I must recommend this website for placement preparations.

yash mittal 5 years ago

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to (10 years ago) "Other"

read from this http://cryptarithmetic.in/

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to (10 years ago) "Other"

It wud b very kind of u if u send me a sample paper if u have 1 similar to that of amcat's pattern...on my mail..!
My id is-singh.gaurav7060@gmail.com
eagerly waiting for ur response..!

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to (10 years ago) "Other"

First of all congrats wid such a good %tile in each of those section....plz if u can help me out by letting me knw The type of questions asked in the computer n electronics section...do rply....i need ur coz M about to give my exam nxt week...hope u rply...!
N all d bst...fr the calls from diffrent companies tht u wud b recieving soon...!

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(10 years ago) "Other"

Share your cognizance...

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to (10 years ago) "Other"

hey...can u suggest me some good books and internet sources for aptitude practice....u can mail to mahabubphys@gmail.com.. ..

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(10 years ago)

You can refer R.S.Agarwal nd Arun Sharma for quant aptitude
www.mrunal.org
www.prepvelvet.com

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(10 years ago) "Other"

what is the probability to get at least one six.. throwing 3 dice?

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(10 years ago)

For results Other than 6 = 5*5*5 / 6*6*6 = 125/216

for atleast one 6 = 1-125/216 = 91/216.

Like? Yes (2) | No

(10 years ago) "Other"

Is there any shortcut for calculating power 10 of any number? if anyone know....plz tell me..

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to (10 years ago) "Other"

hi rohit...how did u prepare for amcat ..u got a very good score ..pls help me how can i score well ?..i mean any good site or study material?...will be thankful to you..

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(10 years ago) "Other"

Always think before you do...!!!

Reply Like? Yes (5) | No (2)

(10 years ago) "Other"

1,3,4 or none of the above?

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(10 years ago) "Other"

What is the remainder when 6^17+17^6 is divided by 7?

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(10 years ago)

o is the answer when 6^17 =((6^2)^8)*6 when dividend by 7 then the remainder u will get is 6 d 17^6 when u divided by 17 then u will get the remnder is 1. hence (6+1)/7 ,is 0 remainder

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(10 years ago) "Other"

3. 15 litres of chemical at Rs.200 per litre is diluted with water so that cost price of diluted chemical is
Rs.150 per litre. Find the quantity of water in the mixture.
1) 5 litres 2) 2 litres 3) 6 litres 4) 4 litres

Reply Like? Yes (5) | No

(10 years ago)

let x be the amt of water added then 15*200=(15+x)150 solving for x we get 5litres

Like? Yes (2) | No (1)

(10 years ago)

quantity of water in the mixture is 5 litres

Like? Yes | No (1)

(10 years ago)

The ratio of old chemical volume to new chemical volume with proportion of their prices is

15:x::200:150

So x=20 litres

So volume of water= (20-15) = 5 litres

Like? Yes (1) | No (1)

(10 years ago) "Other"

A.all three are same
B.ONLY 1&2 SAME
C.only 1 &3 same
D.none
GGGMMMGG GGGMMMGGG GGGGMGMGGG
answer wit explaination....thank u in advance

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

(10 years ago)

I think its none!

Like? Yes | No (1)

(10 years ago) "Other"

bhamsingh and sukhalal contes election by 2000 votes, securing 55% of the total votes.10% of the totoal voters did not votes.how many votes were cast in favour of bhimsing?

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(10 years ago) "Other"

during a games slow held in a school,40 students play game 1,67 plays game2,46 played game3, 8 students played game 1and 3 games.26 students played game 1 and 2.28 students played game 2 and 3.2 students played all the three games.
how may students played game 1 but not game 2 amd 3?
a.3 b.8 c.15 d.23
ans is b
explain with solution.
im preparing for accenture.so please guide with some possible questions

Reply Like? Yes (6) | No (1)

(10 years ago)

play game 1=40
play game 1 and 2=26
play game 1 and 3=8
play all the three=2
To find only who played game 1=40-(26+8-2)=8
so b is the answer

Like? Yes (8) | No (2)

to (10 years ago) "Other"

how many terms of series 5+7+9....... must be taken in order that the sum may be 480?

Solve it correctly...hoe u can find the nth term...

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(10 years ago) "Other"

If in coded language
46789 = 2.6
24321 = 6
27456 = 3.6
then 12345 = ?
reply with answer pls

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(10 years ago)

((4+6-7)*8)/9=2.6
((2+4-3)*2)/1=6
similary,
((1+2-3)*4)/5=0

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(10 years ago) "Other"

If in coded language
46789 = 2.6
24321 = 6
27456 = 3.6
then 12345 = ?

Reply Like? Yes | No

(10 years ago) "Other"

which books and website will be better for the preparation of MYAMCAT exam , please tell me.

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(10 years ago) "Other"

how can i get good percentile in amcat.

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(10 years ago) "Other"

how many 4 digit numbers contain no:2?

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(10 years ago)

total number of four digit numbers =9000 (i.e 1000 to 9999 )
we calc the number not having no 2 in it....
now consider the
units place it can be selected in 9 ways (i.e 0,1,3,4,5,6,7,8,9)
tens place it can be selected in 9 ways (i.e 0,1,3,4,5,6,7,8,9)
hundreds place it can be selected in 9 ways (i.e 0,1,3,4,5,6,7,8,9)
thousands place can be selected in 8 ways (i.e 1,3,4,5,6,7,8,9) here '0' can not be taken
total number of numbers not having digit 2 in it =9*9*9*8 =5832
total number of numbers having digit 2 in it = 9000-5832
=3168

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to (10 years ago) "Other"

Hello ... :) ..................................................................

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to (10 years ago) "Other"

ans is 30..... i need complete solution pls help me

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(10 years ago) "Other"

The figure shows the rectangle ABCD with a
semicircle and a circle inscribed inside in it as
shown. What is the ratio of the area of the
circle to that of the semicircle?

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(10 years ago)

arun sharma page 368 ,question no:23 )

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(10 years ago) "Other"

Q. A man leaves office daily at 7pm A driver with car comes from his home to pick
him from office and bring back home
One day he gets free at 5:30 and instead of waiting for driver he starts walking
towards home. In the way he meets the car and returns home on car He reaches
home 20 minutes earlier than usual. In how much time does the man reach home
usually??
------------------please tell us with solution

Reply Like? Yes | No

(10 years ago)

ans is 1hr 20min .
He reaches home 20 minutes earlier than usual means he got the car 10 mins before usual....
so, usual time = 1hr30min-10min = 1hr20 min

Like? Yes | No (1)

(10 years ago) "Other"

My Amcat score is
English 685 98percentile
quant 690 96 percentile
Computer programming 435 62percentile
Electronics and semiconductor engineering 484 97percentile
Logical ability 640 96percentile

what are my chances of getting calls from software conpanies

Reply Like? Yes (8) | No

(10 years ago) "Other"

Contractor has 2 complete work within a fixed time. If he is late he has to pay
fine. The first day it is Rs 200 and from then on it increases by 25 per day. He has to
pay Rs 9450. How many days he got late.

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(10 years ago)

correct answer is 42days

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(10 years ago)

please tell me with solution..

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(10 years ago)

200,225,250,275--------------9450
as per day increase is 25
1st day amount/per day increase =225/25=9(now consider 9 as initial )
final amount /per day increase =9450/25=378(divide it by 9 as nine is take as initial no )
378/9=42
ans:42 days

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to (10 years ago) "Other"

your crypto funda was quite good...but in pas * rbq...why u've taken 8 as the value of B ....u cd've taken any other value for getting similar pattern in the units digit...if its solely based on guessing...pls clarify.....

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(10 years ago) "Other"

In a rare coin collection, there is one gold coin for every three non-gold coins. 10 more gold coins are added to the collection and the ratio of gold coins to non-gold coins would be 1 : 2. Based on the information, the total number of coins in the collection now becomes

A.90
B.80
C.60
D.50

Reply Like? Yes | No

(10 years ago)

Answer = 90
Solution:
Assuming number of gold coins = x
As per the question if gold coins = x then non gold coins = 3x
If 10 more gold coins are added number of gold coins = x+10
Number of non gold coins would still be = 3x

As per the given information in question: (x+10)/3x = 1/2
Solving we get
=> 2x+20 = 3x
x = 20
Total Coins Initially = x+ 3x = 20+60 =80
Total Coins Now = x+10+3x = 90

Like? Yes (2) | No

(10 years ago)

Ans is A.90
Ratio in Beginning=x:3x; Ratio after adding coins =y:2y
x+10:3x=y:2y
Equating we get x, y
Y=30 so,
Total No of Coins=Y+2y=90

Like? Yes (1) | No

(10 years ago) "Other"

There is a game between A and B.there are 100 sticks..one can maximum take 6 sticks and atleast 1 sticks.the person who take the stick finally consider as a winner.if A starts a game ,is there any winning chance for A,if yes what is that??

Reply Like? Yes (4) | No

(10 years ago)

Yes A has a chance to win by applying following logic.
IfA starts the game he needs to choose max + min no. Of coins I.e.7
Later on after every chance of B ,A needs to choose (max + min -N no. Of coins where N = no.of coins chosen by B.
By this way A can probably win.

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(10 years ago) "Other"

does anybody have any info regarding snapdeal interview questions specially what kind of questions do they ask in machine coding round? reply immediately its urgent

Reply Like? Yes | No (1)

to (10 years ago) "Other"

how to solve problems in particular smart time..?

Reply Like? Yes | No (1)

(10 years ago)

I think time is a major concern for every next maths student.for this there are many reasons.
First of all I will say practice matters.by coming across different problems and their logics one can increase their speed.
And secondly one should be fast with their calculations and applying shortcuts .

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to (10 years ago) "Other"

how to solve problems in particular smart time..?

Reply Like? Yes | No (1)

(9 years ago)

nice websites.......................

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(10 years ago) "Other"

plz provide me the solution if anybody knows..

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(10 years ago) "Other"

A cistern has a leak that can empty it in 8hr.An inlet pipe with a capaciity of 60 litres per hour is turned on.When the leak and inlet tap are turned on,the cistern filled with water is emptied in 12 hrs.What is the capacity of the cistern?

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(10 years ago)

As per the question
Capacity of cistern + Amount of water added by inlet in 12 hours - Amount of water removed by leak =0
Assuming capacity of cistern = x

x + 60*12 - (x/8)*12 = 0
Solving we 0.5x = 720
x = 1440

Like? Yes (1) | No (1)

to (10 years ago) "Other"

How many cubes of side 2cm can be cut from a wooden block whose length is 10 cm breadth is 7 cm and height is 5 cm?

a) 30 b)43

Reply Like? Yes | No (1)

(10 years ago)

30 cubes can be made. .............................

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(10 years ago)

43 cubes can be made and can be calculated as (vol. of wooden block/vol of 1 cube)

Like? Yes (2) | No (1)

(10 years ago)

@ Hello saraswathi according to answer key the ans is 30 but how i need complete solution

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(10 years ago)

It seems its not related to volume....
Divide each side by 2 nd multiply the quotients
[10/2] * [7/2] * [5/2] => 5*3*2 = 30

Like? Yes (1) | No (1)

(10 years ago)

@saraswathy can you explain the logic ?

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(10 years ago) "Other"

hello friend, how to practice the email writing section of TCS written test?
where i'll get this email writing practice quetions?
help me please guys.

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(10 years ago)

never knew if smthg like that is also there...in first year..CS we had mail writing in syllabus.may be all that

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(10 years ago) "Other"

Hi friends,A CGI interview is scheduled for me on 2nd August.please forward me if have any CGI papers,pattern,topics which are asked in written test.Technical round experiences
My e-mail id:saisuresh9yaramati@gmail.com

Please this is very important opportunity to me

Reply Like? Yes (2) | No

(10 years ago) "Other"

Hello frnds,
quant :68%
verbl:70%
reasoning: 65%
n 10 n 12th 90+ ana degree 75+

what are my chances to get calls

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(10 years ago) "Other"

Rakesh got 273 marks in an examination and secured 5% more than passing percentage. If lokesh got 312 marks then by what percent above the pass the exam

Reply Like? Yes (25) | No (1)

(10 years ago)

16.15% is answer

Like? Yes | No (4)

(10 years ago)

273/1.05=260 , So the pass marks is 260
If he gets 312 then 312-260/260 *100=20%

Like? Yes (7) | No

(10 years ago) "Other"

can anyone send me CGI placement papers on my mail id-rohan.nimbalkar96@gmail.com...
thanks in advance

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(10 years ago)

there will be 25 question with 3 different sections 1 hr time. it will easy

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(10 years ago) "Other"

Solve the sequence.
65, 115, ___ , 105, 73

Reply Like? Yes (2) | No

(10 years ago) "Other"

3, 4, 12, ....., 196

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(10 years ago)

(3*1) + 1^2 = 3 +1 = 4
(4*2) + 2^2 = 8+4 = 12
(12*3)+ 3^2 = 36+9 =45

The last number also follwed the same logic...so the missing number is 45

Like? Yes (4) | No

(10 years ago) "Other"

Is M4 Site is sufficient for tcs which will come on sept?
plzzzzzzzzzzzzzz reply me urgently

Reply Like? Yes (1) | No

(10 years ago)

try to cmplt all questions in placement paper thts enough

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to (10 years ago) "Other"

@Saraswathy u r soooo.... clever problem solving maths

Reply Like? Yes | No (1)

(10 years ago) "Other"

cat How many 5-digit numbers are there such that the digits at hundred place, unit place and ten-thousand place form a gp...ans 3300..process?

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to (10 years ago) "Other"

4^61 + 4^62 + 4^63 + 4^64 = ?

Tel me clearly

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(10 years ago)

@Sasikumar... I dont understand the question... I think the the problem is about remainder or something else... Bcozzz the value of 4^61 ll be very big... We cant calculate that...
4^61 + 4^62 + 4^63 + 4^64
Take 4^61 common outside
4^61(1 + 4^1 + 4^2 + 4^3)
4^61 (1 + 4 + 16 + 64)
4^61 * 85

Like? Yes (6) | No (2)

(10 years ago)

85* 4^61

4^61(1+4+4^2+4^3)

4^61*(1+4+16+64)=85*4^61

Like? Yes (1) | No

(10 years ago)

Is it divisible by which of the following
a) 3
b) 13
c) 11
d) 17

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(10 years ago)

4^61 * 85
4^61 * 5 * 17
So it is perfectly divisible by 17

Ans : 17 (Option d)

Like? Yes (3) | No (2)

(10 years ago)

Thanks you ma..... I understood now :)

Like? Yes (1) | No

(10 years ago)

i think the ans is 17

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(10 years ago) "Other"

anyone got the interview call from ibm?if not they can contact at Offc2014@in.ibm.com

Reply Like? Yes | No (2)

(10 years ago) "Other"

Hi all could any one pls send me SYNTEL previous paper..thanks in advance. mail to janardhanmopada92@yahoo.in

Reply Like? Yes | No (1)

(10 years ago) "Other"

find the remainder of54^124/17

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