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My maths book suicided because it had lots of problems in it ......

Ruchi.das

As for everything else, so for a mathematical theory: beauty can be perceived but not explained.

Arthur Cayley

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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(10 years ago) "Other"

1. A bill falls due in 1 year. The creditor agrees to accept immediate payment of the half and to defer the payment of the other half for 2 years. By this arrangement
INS Rs. 40. What is the amount of the bill, if the money be worth 12-z%?
explanation plzzzzz

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to (10 years ago) "Other"

did you get placed ?

Reply Like? Yes (2) | No

to (10 years ago) "Other"

9^n is divisible by 144! , then what is the value of n?

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

(10 years ago)

9 = 3 X 3
Number of 3s in 144! = 144/3 + 144/9 + 144/27 + 144/81 = 48+16+5+1 = 70
Number of 3^2 in 144! = 70/2 = 35
is 35 the answer ?

Like? Yes (2) | No

(10 years ago) "Other"

Can anyone please send me the recent placement papers of igate at ayushy.pathak85gmail.com

Reply Like? Yes | No (1)

(10 years ago) "Other"

A dealer buys dry fruits at Rs 100,Rs90,Rs 70 and mixes in the ratio of 2:3:4 and gains 50% ,find the selling price

Reply Like? Yes | No

(10 years ago)

cp=(100*2/9)+(90*3/9)+(70*4/9)=750/9
50/100*750/9=x-750/9
x=91.67

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(10 years ago) "Other"

A cistern has a leak which would empty it in 10 hours.A tap is turned on ,which admits 4 litres a minute into the cistern ,and it is now emptied in 12 hours.How many litres does the cistern hold.

Reply Like? Yes (21) | No (7)

(10 years ago)

assume no .of liters needed to fill the cistern is X lit
Y is the number of lit drawn by the leakage per one minute
so
Y*10*60=X-------------->1
tap can fill 1 lit per minute
(Y-1)*12*60=X------->2
from (1) & (2)
10Y=12Y-12
2Y=12 ==>Y=6
===>X=10*6*60=3600 lit

Like? Yes (9) | No (8)

(8 years ago)

X/10 - 4 = x/12
X/10 - x/12 = 4
X/60 = 4
X = 240 * 60
X = 14400

Like? Yes (8) | No

(10 years ago) "Other"

Crack this number sequence: 1, 4, 15, 64, __

Reply Like? Yes | No

(10 years ago)

the next number in series is 325
1*2+2=4
4*3+3=15
15*4+4=64
64*5+5=325

Like? Yes (3) | No

to (10 years ago) "Other"

your answer is wrong

Reply Like? Yes | No

to (10 years ago) "Other"

Shreya Banerjee can u pls solve this question

Abhishek and Aishwarya pick up a ball at random from a bag containing M red and N yellow colored balls, one after the other, replacing the ball everytime till one of them gets a red ball. The first one to get a red ball is declared the winner. Of Abhishek begins the game and the odds in favor of his winning the game are 3 and 2, then find the ration M,N.
A. 1:1
B. 1:2
C. 2:3
D. 3:2
Abhishek and Aishwarya pick up a ball at random from a bag containing M red and N yellow colored balls, one after the other, replacing the ball everytime till one of them gets a red ball. The first one to get a red ball is declared the winner. Of Abhishek begins the game and the odds in favor of his winning the game are 3 and 2, then find the ration M,N.
A. 1:1
B. 1:2
C. 2:3
DAbhishek and Aishwarya pick up a ball at random from a bag containing M red and N yellow colored balls, one after the other, replacing the ball everytime till one of them gets a red ball. The first one to get a red ball is declared the winner. Of Abhishek begins the game and the odds in favor of his winning the game are 3 and 2, then find the ration M,N.
A. 1:1
B. 1:2
C. 2:3
D. 3:2. 3:2

Reply Like? Yes | No

(10 years ago)

Answer is 1:2 ....

Like? Yes | No (2)

(9 years ago)

shreya banerjee@ plz give the solution plz simply say anwer....tell to us how u achieve this....???

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(10 years ago) "Question"

Abhishek and Aishwarya pick up a ball at random from a bag containing M red and N yellow colored balls, one after the other, replacing the ball everytime till one of them gets a red ball. The first one to get a red ball is declared the winner. Of Abhishek begins the game and the odds in favor of his winning the game are 3 and 2, then find the ration M,N.
A. 1:1
B. 1:2
C. 2:3
D. 3:2

Reply Like? Yes | No

(10 years ago) "Question"

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(10 years ago) "Other"

In how many maximum different ways can 3 identical balls be placed in the 12 squares such that only 1 ball in 1 square and they do not lie along the same straight line?
My answer is 200 bt arun sharma has given 204 as correct answer
can anyone help?

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(10 years ago)

ur not mention how the box are arranged ? (circle/straight)

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(10 years ago)

LLAMAR the box is a matrix of 3x4 and ball can be placed in exactly center of square

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(10 years ago) "Other"

amar has 7 buffeloes each gives 6litres of milk per day but he is getting 30 litres how?

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(10 years ago)

how he can get 30liters with buffeloes ?

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(10 years ago)

It is interview qus? i want the ans

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(9 years ago)

did u get th answer for ur question of milk?

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(10 years ago) "Other"

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

(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

(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

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(10 years ago) "Other"

hey guys...m btech fresher..please any one me help to crack a job whether it is small or big company.....i work for free on java

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to (10 years ago) "Other"

New to here ,Just help me out in solving and gaining points and all that stuffs related ?

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(9 years ago)

3:2..........................................................

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(10 years ago) "Other"

plz sum1 tell me the coding of following question.
given a string. count the no. of character between the first occurrence and last occurrence of vowel.
if vowel occurs only once print "none".
if there is no vowel print "absent".

Reply Like? Yes | No

(10 years ago) "Other"

guys please send me capgemini previous test papers plz plz ....... jamijaganmohan@gmail.com

Reply Like? Yes | No

(10 years ago)

if u got plz send to me llamarcriado006@gmail.com

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(10 years ago) "Other"

hai friends anybody have rrb junior engineer testor model papers if have please send me its request please........................ jamijaganmohan@gmail.com

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(10 years ago) "Other"

If the perimeter of a square is equal to the radius of a circle whose area 39424 sq.cms., What is the area of the square?

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(10 years ago)

784 sq.cm.
If side of a square=a, then its perimeter=4a=r
Given, Pi*r^2=39424, r^2=39424*7/22 =12544 or r=112
So a=r/4= 112/4=28
Area of the square= a^2= 28^2= 784

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(10 years ago) "Other"

10,40,270,2560,....
What is the next no. In the above series??
Can any one help me to answer this question.

Reply Like? Yes | No

(10 years ago)

10=(1^1)*10
40=(2^2)*10
270=(3^3)10
2560=(4^4)10
(5^5)10

Like? Yes (1) | No

(10 years ago) "Other"

can any one help me csc previous questions repeated or not?

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(10 years ago) "Other"

please send me ibm previous question papers to avanika.anu@gmail.com

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(10 years ago) "Other"

azzbbbyyyy......................what will be 201 term??? solve it....

Reply Like? Yes | No (1)

to (10 years ago) "Other"

Hi shreya...
Solve this...
Q

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(10 years ago)

Where is the question?

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(10 years ago)

shreya ..........r u fresher??

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(10 years ago) "Other"

what is the next number in the series 1,4,5,6,7,9,11

Reply Like? Yes | No

(10 years ago)

1,5,7,11 follows the below logic
5-1=4,7-5=2,11-7=4 =>differences in the order of 4,2
4,6,9
6-4=2,9-6=3, x-9=4......

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(10 years ago) "Other"

How to apply for capgemini drive through monster college. When i log in to apply it shows no new job updates. Any idea on how to apply for this drive?

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(10 years ago) "Other"

Is there any who got result of infy which was held on 23rd nov at cmr clg

Reply Like? Yes (1) | No

(10 years ago) "Other"

hiii everyone!! I was placed in LnT Infotech this August and yet to receive the joing letter? Is anyone there who is in the same status or did anyone get placed and also issued with the LnT infotech joing letter. please let me know. Else should I try other companies?

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(10 years ago) "Other"

Is there any who got result of infy which was held on 23rd nov at cmr clg

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to (10 years ago) "Other"

akanksha can u send me english language questions which is frequently asking in IBM drive ....if u question then mail me plzzz on this email adress shubham.21malik@gmail.com
thank you

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to (10 years ago) "Other"

hey arun will u give me ur mail.I.d I have some doubts regarding 7 dec litmus test or ur contact number.pls dont take it in other way

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(10 years ago) "Other"

Hiiiii Everyone!!
Guys anyone plz suggest me any Good book for clearing infosys verbal section and Elitmus verbal section....plz help me out Guys with your valuable suggestions...

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(10 years ago)

Thorough R.S. Aggarwal verbal/non verbal reasoning which is more than enough to clear any placement drive

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(10 years ago) "Other"

Try to guess the sequence 2 10 30 68 ____

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(10 years ago)

2^3+2=10
3^3+3=30
4^3+4=68
5^3+5=130
answer is 130

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(10 years ago) "Other"

Trees with weights will be given. each node is a lab.
A researcher should visit all labs. But he need to pay lab owner some money mentioned as weights.
So has to traverse along and pay minimum money.

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to (10 years ago) "Other"

what will be 201term?

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to (10 years ago) "Other"

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

(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

(10 years ago) "Other"

please give the answer for this problem
10,11,14,23,?,131
what number in the ?

Reply Like? Yes | No

(10 years ago)

Answer: 50
Reasons:
10
10+ 3^0 = 11
10+3^0+3^1 = 14
10+3^0+3^1+3^2 = 23
10+3^0+3^1+3^2+3^3 = 50
10+3^0+3^1+3^2+3^3+3^4 = 131

Like? Yes (2) | No

(10 years ago) "Other"

Hiii frnds
Anybaody can tell me what TOPICS should i prepare for TCS recuitment and what is procedure of recuitment .
Please help me.

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(10 years ago) "Other"

Anyone got the call from infosys interview held on 15 november 2014 at paharpur business center nehru place new delhi....Kindly reply????

Reply Like? Yes | No (2)

(10 years ago)

Hi,if you have study material fot
r amcat and elitmus plzzz send on my id
rana.seema2011@gmail.com plz..

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(10 years ago) "Other"

hey guys i am writing e-litmus this Sunday can anybody help me where to prepare? please tell me some notes or sites where i can study

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(10 years ago) "Other"

Hey guys i got a call from digital juice in bangalore on 7th dec
1.Is der any one who got the call
2.Can you tell me the interview questions and the level of technical skills needed to crack it
3.Iam in delhi so do these company provide you a stay during the interview process

help guys
Igot a call from mindtree but could not attend due to location problem
:(

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(10 years ago)

how much score u hv in elitmus??

Like? Yes (1) | No

(10 years ago)

plzzz tell me guys how to crack tcs.....help!!!!

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(10 years ago) "Other"

five years ago viney age was one third of vikas and now viney age is 17 years.what is the present age of vikas

Reply Like? Yes (20) | No (4)

(10 years ago)

5 Years Ago Vinay Age = 17 - 5 = 12
5 years ago: Vinay Age= Vikas Age /3 = 12
5 Years Ago: Vikas Age = 12*3 = 36
Hence Vikas Current Age = 36+5 = 41

Like? Yes (20) | No (6)

(10 years ago)

consider vikas age is x then vinay age is 3x (vinay age was one third of vikas)
now present age of vikas is x+5
now present age of vinay is 3x+5
Given: vinay age is 17 so 3x+5 = 17 ==> x=12/3=4
so, vikas age is x+5 = 4+5 = 9
therefore, vikas age is 9

Like? Yes (7) | No (15)

(10 years ago)

(viney-5)=1/3(vikas-5)
as viney present age is 17
substitute the value.
hence vikas present age is 41

Like? Yes (11) | No (3)

(10 years ago)

VINAY AGE BE X
VIKAS AGE BE Y
so x-5= (y-5)/3
3*x-15=y-5
now x=17
3*17-15=y-5
y= 3*17-10
y=51-10
y=41

Like? Yes (12) | No (1)

(9 years ago)

(17-5)=(1/3)*x
so x=36
now age of vikas will be 41

Like? Yes (4) | No (1)

(9 years ago)

5 Yrs Ago Vinay Age = 17 - 5 = 12
5 yrs ago: Vinay Age= Vikas Age /3 = 12
5 Yrs Ago: Vikas Age = 12*3 = 36
Hence, Vikas Current Age is = 36+5=41

Like? Yes (7) | No

(9 years ago)

hiii friends how to prepare tcs pls help me?????

Like? Yes (2) | No (1)

(9 years ago)

Now vinay age : 17yrs
vinay age 5yrs back : 12yrs
we know that 5yrs ago vinay age was 1/3 of vikas
so,vikas age 5yrs back : 36yrs;
Finally Vikas age now : 36+5=41yrs

Like? Yes (4) | No (2)

(6 years ago)

Rajeev's age after 15 years will be 7 times his age 3 years back what is the present age of Rajeev's

Like? Yes (1) | No

(10 years ago) "Other"

I got English 605 90.3%ile
Quantitative Ability550 68.4%ile
Computer Programming685 99.3%ile
Logical Ability425 34.6%ile
in AMCAT will i get calls plzzz do reply

Reply Like? Yes | No

(10 years ago) "Other"

There are 2 printers installed to print some pages. If you have to find out how many pages will the printers print at 35°C when one

printer’s work is directly proportional and the others printer work is inversely proportional to the temperature and the total work done at 15°C is

20 pages and that done on 20°C is 25 pages?

a. 40 pages
b. 41.2 pages
c. 40.7 pages
d. 43.2 pages
e. 39.7 pages

Reply Like? Yes | No

(10 years ago) "Other"

Ques. Statements:
Some rabbits are deers.
No deer is a lion.
All elephants are lions.
Conclusions:
I. No rabbit is lion.
II. No elephant is deer.
III. Some elephants are rabbits.

Op 1: All follow
Op 2: Only II follows
Op 3: Either I or II follow
Op 4: Only II and III follows
Op 5: None of these

Reply Like? Yes (20) | No

(10 years ago)

2: Only II follows

Like? Yes (1) | No (2)

(10 years ago)

Op 2: Only II follows

Like? Yes | No (1)

(9 years ago)

how 2 is possible

Like? Yes (1) | No (2)

(5 years ago)

why third doesnot follow...lil cnfsn??

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(10 years ago) "Other"

hii friends ...can anyone help me with indian ordnance factory chargeman sample papers especially of ENGINEERING DRAWING....please help me.......thanx in advance

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(10 years ago) "Other"

Amit can complete a piece of work in 2.25 days. Badri takes double the time taken by Amit. Chetan takes double that of Badri, and Das takes double that of Chetan to complete the same task. They are split into two groups (of one or more persons) such that the difference between the times taken by the two groups (of one or more persons) such that the difference between the times taken by the two groups to complete the same work is minimum. What could be the composition of the faster group?

A. Amit and Das

B. Badri and Chetan

C. Badri, Chetan and Das

D. Amit alone

Reply Like? Yes (3) | No

(10 years ago) "Other"

Hi...pls send me ibm placement papers to sravanthi.tallapureddy@gmail.com

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(10 years ago) "Other"

I want to become a successful person in the life.

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