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mathematics is the art of managing numbers with mindful manner.

rekha gupta

If I feel unhappy, I do mathematics to become happy. If I am happy, I do mathematics to keep happy.

Alfred Renyi

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"

hi, which place u r from

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to (10 years ago) "Other"

can you send me some apti ques for tcs with soln ... my mail id sudith93@gmail.com

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(10 years ago) "Other"

sir,please send me the TCSplacement paper with sol. to ashish.wanderer@gmail.com

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(10 years ago) "Other"

Dear Sir please send me the last 10 years
my mail id is - neoria786@gmail.com

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to (10 years ago) "Other"

Sir,
Pls send apti with soln for me .. a big thanks in advance for you... pls do this favour
sudith93@gmail.com

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(10 years ago) "Other"

Sir,PLZ send me TCS placement papers with solutions to agrawalamit.cse10@gmail.com very urgently as i had aptitude test on sept plz!!
Hope u will send me d pprs as soon as possible

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to (10 years ago) "Other"

Sir, I request u to send me TCS placement papers with solutions to kuchipudidivyachowdary123@gmail.com very urgently as i had aptitude test on sep 6th.
Hope u will send me d pprs as soon as possible

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(10 years ago)

Ya ok i'll send..

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(10 years ago) "Other"

coming september 21st TCS aptitude test , some body guide me through it with this year's FAQ

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to (10 years ago) "Other"

NIVEDITHA after your tcs placement drive..plz do send me the papers of that and also share all the experiences regarding drive.plzplzplz...and all the very best to you..my email id is nandita.classic@gmail.com

Reply Like? Yes (1) | No

(10 years ago)

Thank you.... i'll surely mail you. all the best to you too...

Like? Yes (3) | No (1)

(10 years ago) "Other"

I sent it to all chck u r Mail...

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

(10 years ago)

Bro send it to me also at nomendrasinha@gmail.com
Thanks in advance..

Like? Yes (1) | No (1)

(10 years ago)

hey please send them to akshaychauhan2007@gmail.com
thanks .

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(10 years ago) "Other"

Can anyone tell me how to prepare for elitmus and amcat exams?

Reply Like? Yes (2) | No

(10 years ago) "Other"

please send me TCS last 10 years aptitude question papers with answers sir..its very urgent ..coming sept.4th i am having apti...please help me sir
send to my
e-mail id : mayukh.sadhu@gmail.com

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

(10 years ago) "Other"

the sum of squares of three numbers is532.the ratio of first to second and second to third is3:2 what is the second number?
sir plz sent the ans with explanation.

Reply Like? Yes (9) | No (2)

(10 years ago)

A/B=3/2 and B/C=3/2..
THAN A=(3/2)*B and C=(2/3)*B
NOW A/C TO QUES
A^2+B^2+C^2=532
putting the values we get
(9/4)* B^2 + B^2 + (2/3)* B^2 = 532
solving this you will get B^2=144
so B=12
put its valus at place of A and C
u will get A=18, B=12 ,C=8... your required answer is 12 :)

Like? Yes (6) | No (4)

(10 years ago)

let they are x,y,z. so x^2+y^2+z^2=532.
given ,x:y=3:2 and y:z=3:2
then x:Y:Z=3*3:2*3:2*2=9:6:4=k
so,(9k)^2+(6k)^2+(4k)^2=532
133k^2=532 then k=2 so second num=6k=6*2=12

Like? Yes (6) | No (2)

to (10 years ago) "Other"

Sir, it will be very helpful if you send me tcs placement papers with solution. I have online apti test

on 4th sep. Thanks in advance.

my mail id is:nsriranjaniee@gmail.com

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(10 years ago)

Sure..I'll send u..

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(10 years ago)

I also request to SRI RANJANIEE after finishing your apti test please share your experiance with me becoz my apti test is going to be organize on 09 10 sep .if you do so then i am very thankful to you

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to (10 years ago) "Other"

Hello Bro, If possible send me some points to slove the Cryptarithmetic Questions.. I can't understand to slove that... Plz send some ideas to my mail id kavimtech@gmail.com

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(10 years ago)

www.informguru.com/2013/01/solving-elitmus-cryptarithmetic.html

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to (10 years ago) "Other"

Hello Mr.Karthikeyan, If possible send me some points to slove the Cryptarithmetic Questions.. I can't understand to slove that... Plz send some ideas to my mail id kavimtech@gmil.com

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(10 years ago)

Sure..I'll send u..

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to (10 years ago) "Other"

Dear Sir please send me the last 10 years
my mail id is - abhishekbpl5@gmail.com

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(10 years ago)

Sure..I'll send u..

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(10 years ago) "Other"

there is a mango tree on hill..a boy wants to pick the mangoes from that tree..but on dthe way to tree there are 100 steps and for each step a guard is there..each one asked him that 'you should give me a half number what you have'..then he replied i will give you but u should give me one in return..he continued same discussion with all those gaurds...after all he came out with 2 mangoes..then how many mangoes he totally got on that tree..?
sry for any mistakes..

Reply Like? Yes (2) | No

(10 years ago)

Let the no of mangoes he took from tree be equal to x. Thus, the no of mangoes he has after:
1st step=x/2+1
2nd step=(x/2+1)/2+1
3rd step=((x/2+1)/2+1))/2+1 and so on.
The final equation is:
x(1/2^1+1/2^2+1/2^3+.....+1/2^100) + (1/2^1+1/2^2+1/2^3+.....1/2^99) + 100 = 2
Solving this for x we get x = I DON'T KNOW (I got stuck!!!)

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(10 years ago)

let the no.of mango he took from tree is x;
he has mangoes after
1st step=(x+2^1)/2
2nd step=(x+2^1+2^2)/2^2
3rd step=(x+2^1+2^2+2^3)/2^3
4th step=(x+2^1+2^2+2^3+2^4)/2^4
.................................................................
..................................................................
100th step=(x+2^1+2^2+2^3+2^4+......................+2^100)/2^100
a/c to problem after 100 step mangoes=2=(x+2^1+2^2+2^3+2^4+......................+2^100)/2^100
after solving we get x=2^101-(2^1+2^2+2^3+..........+2^100)=-2*10^19
he has getting mangoes is negative;
means given data is wrong

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(10 years ago)

say the boy took 'x' number of mangoes.
after step1: he had : - x/2+1= (x+2)/2
after step2: he had : - ((x+2)/2)/2+1= (x+2^1+2^2)/2^2
after step3: he had : - (x+2^1+2^2+2^3)/2^3
.
.
.
.
after step n : he had : - (x+2^1+2^2+2^3+........+2^n)/2^n
=( x + 2 ( 2^n - 1 )/(2-1) ) / 2^n
=( x + 2^(n+1) - 2) / 2^n

given : ( x + 2^(n+1) - 2) / 2^n = 2

=> x + 2^(n+1) - 2 = 2^(n+1)
=> x = 2.
Answer is 2.

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(10 years ago)

In which paper this q is?

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to (10 years ago) "Other"

please send me TCS last 10 years aptitude question papers with answers sir..its very urgent ..coming sept.4th i am having apti...please help me sir
send to my
e-mail id : dpdhivi3@gmail.com

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(10 years ago)

Ya divya i'll send u...

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(10 years ago)

plzzzzzzzz fwd to me.....e-mail id: deepikaponraj.1993@gmail.com

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(10 years ago)

sir pls also forward these papers to my id also
sabir2ali@gmail.com as soon as possible...I have to give the test on 6 oct...

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(10 years ago) "Other"

Mr. Beans visited a magic shop and bought some magical marbles of different colours along with other magical items. While returning home whenever he saw a coloured light, he took out marbles of similar colours and counted them. So he counted the pink coloured marbles and found that he has bought 25 of them. Then he counted 14 green marbles and then 21 yellow marbles. He later counted 30 purple coloured marbles with him. But when he reached a crossing, he looked at a red light and started counting red marbles and found that he had bought 23 Red marbles. As soon as he finished counting, it started raining heavily and by the time he reached home he was drenched. After reaching home he found that the red, green and yellow marbles had magically changed colours and became white, while other marbles were unchanged. It will take 1 day to regain its colours, but he needs to give atleast one pair of marbles to his wife now. So how many white marbles must be choose and give to his wife so as to ensure that there is atleast one pair of red, yellow and green marbles ?
plzz help me answer this question...its options are: 46 35 25 48

Reply Like? Yes | No

(10 years ago)

green-14
yellow-21
red-23
all now white.
to make sure he has atleast one pair of red yellow and green..

leave the minimum value and add the rest (red and yellow)- 23+21=44
add 2 from green to the sum = 44+2=46

Like? Yes (2) | No

(10 years ago) "Other"

Middle – earth is a fictional land inhabited by Hobbits, Elves, dwarves and men. The Hobbits and the Elves are peaceful creatures who prefer slow, silent lives and appreciate nature and art. The dwarves and the men engage in physical games . The game is as follows . A tournol is one where out of the two teams that play a match, the one that loses get eliminated. The matches are played in different rounds where in every round , half of the teams get eliminated from the tournament. If there are 8 rounds played in a knock-out tournol how many matches were played?
(a) 257 (b) 256 (c) 72 (d) 255

Reply Like? Yes | No

(10 years ago)

each round half of the teams get eliminated
go from the last. one team will finally win
there are 8 rounds
so 8th round - 1
7th round - 2
6th round - 4
5th round - 8
4th round - 16
3rd round - 32
2nd round - 64
1st round - 128
adding all these we get 255

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(10 years ago) "Other"

I sent it..chk u mail..
@ LAVANYA,SRIRAM

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(10 years ago)

thank u sir those are very helpful.... :)

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(10 years ago) "Other"

can any one answer question related to base b ???

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to (10 years ago) "Other"

if certain sum of money borrowed at 5% per annum simple interest amounts to rs1020 in 4yrs then the sum of money borrowed is?

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(10 years ago)

let p be the amt..
(p*5*4)/100=1020-p =>p=850/

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(10 years ago) "Other"

if log2=0.30103,the no. of digits in 2^(35) ?

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(10 years ago)

2^35=35log2=35(0.301)=10.53 for which its characteristic digit is 11

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to (10 years ago) "Other"

brother,how u r solving all these

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(10 years ago) "Other"

A boy wants to make cuboids of dimension 5m, 6m and 7m from small cubes of . 03 m3. Later he realized he can make same cuboids by making it hollow. Then it takes some cubes less. What is the number of the cubes to be removed? a) 2000 b) 5000 c) 3000 d) 7000

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(10 years ago)

Like? Yes | No (1)

(10 years ago)

volume of the small cube = 0.03 m^3
so side of this cube = cubic root of 0.03 m^3 = .312 m
so after removing the outermost layer the dimensions for the inner cuboid will be (5-2*0.312), (6-2*0.312), (7-2*0.312)
so total volume will be (4.376)*(5.376)*(6.376) = 150 m^3
so no of cubes will be 150/0.03 = 5000
so we can remove 5000 inner cubes

Like? Yes (1) | No

(10 years ago)

volume of cuboid= 5*6*7 = 210
volume of hollow part = (5-2)*(6-2)*(7-2)=3*4*5 = 60

so outermost layer removing the hollow part = 210-60 = 150 cubic m

small cube volume = 0.03 cubic m
so number of small cubes required = 150 / 0.03 = 15000 / 3 = 5000

ans b) 5000

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to (10 years ago) "Other"

Plz post the question after dne u r exam...

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(10 years ago) "Other"

What is the probablity of two persons
among the four having birthday in he same month?
A. 75%
B. 50%
C. 33%.. can any one give me d explanation?

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(10 years ago) "Other"

I sent it to all chck ur mail..

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(10 years ago)

ya....thanx alot sir.

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(10 years ago)

bro i gonna attend WIPRO this week can u send recent que to amarnath.kamaraj@gmail.com

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(10 years ago)

Sir plz send me Tcs papers my EMIL-ID is neoria786@gmail.com

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(10 years ago)

send me bro too gagandeepsingh516@ymail.com

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(10 years ago) "Other"

is there any GD round in IBM ??if any one knows ,pls tell me...

Reply Like? Yes (1) | No

(10 years ago)

yes there is GD in IBM.

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to (10 years ago) "Other"

The inner diameter of a circle well is 4.2m It is 20m deep The cost of plastering of this curved inner surface at the rate of rs 40 per m^2 is? I NEED COMPLETE SOLUTION PLS HELP ME

a) 5280 b) 10260 c) 10560

Reply Like? Yes (2) | No

(10 years ago)

c) 10560
Curved surface area of cylinder= 2*Pi*r*h
Here r=2.1 ,h=20
So area=2*(22/7)*2.1*20= 264 sq. m.
Cost @40 rs./sq.m.=264*40=10560

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(10 years ago)

You have got the solution again and thank you so much once again for asking me this question.

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to (10 years ago) "Other"

if u r having recent TCS placement Paper, please mail me. My email id is pradeepsaw0333@gmail.com
thanks

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(10 years ago) "Other"

Anyone having recent TCS placement Paper, please mail me. My email id is pradeepsaw0333@gmail.com
thanks

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(10 years ago) "Other"

send me tcs recent placemnet papers my mail id is -karthik.adda.01@gmail.com

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to (10 years ago) "Other"

plz send me the Thomson Reuters placement papers..
my email id is dipuaryas@gmail.com

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to (10 years ago) "Other"

Hello Mr. Karthikeyank, Hey can you send me too, all the necessary things for tcs as they are expected to arrive in my college in the college in coming 10 days.
my id is- rahulmandalskyon1@gmail.com

Reply Like? Yes (1) | No

(10 years ago) "Other"

hello karthik can you please send some some tcs paper for apti . with answer . I will be very thankfull to you . my email. id is agaffar057@gmail.com

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(10 years ago) "Other"

Sure..I'll send to all...

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(10 years ago)

tcs placement papers
please send me too, pradeepsaw0333@gmail.com

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(10 years ago)

Hello Mr. Karthikeyank, Hey can you send me tcs papers pleaseeee
my mail id is lprash02@gmail.com...thank you for it

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(10 years ago)

sir,it will b very helpful for me if u send me tcs qn papers ,
please send me to pushpak.k.victory@gmail.com

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(10 years ago) "Other"

hello karthik can you please send me previous years question papers of TCS with answers. My email id is av3nrk99@gmail.com.

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to (10 years ago) "Other"

hello karthik can u please send me some materials for reading c cpp and previous tcs papers with answers....my id i vishal16.bal@gmail.com
Thank you :)

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(10 years ago) "Other"

a train passes a station platform in 36 seconds and a man standing on the platform in 20 seconds.if the speed of the train is 54kmph wt is the length of the platform>????

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(10 years ago)

speed of train =54*5/18 m/s=15 m/s

15=Lt/20 so Lt=300 m

also 15=(Lt+Lp)/36
By putting Lt, Length of train Lp=240 meter

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(10 years ago) "Other"

hello Mr Karthik...plz send tcs placement papers for apti... i'll be very thnkful to u..
email= surbhi.singh50@gmail.com

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(10 years ago) "Other"

hi mr karthik..please send me tcs placement papers.....my email id is -udaipurwala.ahsanali@gmail.com
thanks

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to (10 years ago) "Other"

Hello Mr. Karthikeyank, please send me TCS papers I will be very thankful for it. My email is
shanfadnis@gmail.com

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(10 years ago)

Sure I'll send u..

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(10 years ago) "Other"

hello Mr.karthikeyan may i knw ur mail id pls... my id s jayavictory05@gmail.com

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(10 years ago)

ya..Karthik.infotec99@gmail.com

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to (10 years ago) "Other"

hllo Mr. karthikeyank if u have tcs papers pls send it to me.i will b vry thankful for it.........my email is
amiy.destiny@gmail.com

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(10 years ago)

Hii..i'll send you..

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(10 years ago)

thanx buddy 4r ur effort..............

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(10 years ago) "Other"

hllo Mr. karthikeyank if u have tcs papers pls send it to me.i will b vry thankful for it.........my email is
amiy.destiny@gmail.com

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to (10 years ago) "Other"

hi Mr.karthikeyank if u have tcs papers pls frwd to my mail bhagiradh1993@gmail.com its would be very helpful for me..

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(10 years ago)

Sure I'll send u...

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(10 years ago)

i sent it buddy..

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to (10 years ago) "Other"

hey pls send me tcs previous year papers my email id is ankpred@gmail.com

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(10 years ago)

Sure I'll Send u...

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