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Ankit 10 years AGO

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Ritika saxena 9 years AGO

There are some 20 Basketball players & 30 Football players, and 25 cricket players. 1 of them plays all the three games. 8 of them plays atleast two games. They are 50 altogether. How many of them plays none of the games.

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sangeethatamilselvan 6 years ago

Ans: 2
Using Venn diagram we can solve this
to find football player,
B=20-1-8
B=11
Football=30-1-8
F=21
Cricket=25-1-8
C=16
Adding altogether we get 48
50-48=2

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karuna 9 years AGO

Two trains of length 100m and 160m respectively are running on parallel tracks. when running in the same direction the fastest train passes the slower train in 10.4 seconds, but when running in the opposite directions they take 4 seconds to cross each other. What is the speed of the fastest train

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Devendra Marghade 9 years ago

45 m/s

If speed(in m/s) of the fastest train=x and slower train=y, then
Time taken while running in same direction=(100+160)/(x-y)=10.4 or x-y=25 ---(i) and
Time taken while running in opposite direction=(100+160)/(x+y)=4 or x+y=65 ---(ii)
On solving (i) & (ii), x=45, y=20

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mohit 9 years ago

x+y=260/10.4
x-y=260/4
x=45,y=20

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Shubham Prajapati 9 years AGO

There are 600 people to be seated, but there are 10 benches less. If two more people are asked to seat on each bench, then everybody is accomodated. How many benches were there?

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Onlinepsa.in 9 years ago

There are 50 benches.

600 = (b+10) * r [Where b= benches; r= number of people on every benche]
600 = b * (r+2)

Solving the above two you will get b = 5r. This on substituting in any one of the equation you would get a quadratic equation.
r^2 + 2r -120 = 0

r= 10 is the valid value; also b= 50. Hope you could work this out!

Thanks,
onlinepsa.in

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puviyarasi 6 years ago

no of benches=n
no of people per bench=x
nx=600
but there are 10 benches less
two more people are asked to seat on each bench
hence(n-10)(x+2)=600
nx=600 -----------1
(n-10)(x+2)=600--------2
after solving 1 and 2
we get x=10, -12
no of persons cannot be negative
so x=10
then we get n as 60
there are 10 benches less
60-10=50
totally 50 benches are there

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Debapratim Mishra 9 years AGO

find the number of value of x where (2x+9)^2/(x+3) value is integer
option a)2 b)4 c)6 4)infinity
submit the answer with process

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bharathi adabala 9 years AGO

A machine types 8469 words per minute and it starts at 4.53 AM another machine takes 16640 words per minute starts at 4.58 AM, what is the time by which the words typed the machine are equal?

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Sanu Panji 10 years AGO

I have some question from geometry and logical which includes figure like circle, squre, cone , box etc. But I can not include these with my question. What to do?

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Rajat Jain 10 years AGO

m4maths is a perfect site for preparing written exam but now this site should focus to technical interview question for all stream so this site can be used to prepare technical interview as well

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PAWAN KUMAR 10 years AGO

Dear admin, i want to say that all the unsolved problems/puzzles of this site should come under one heading so that anyone interested could solve it without going in the list company-wise.

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Mani Sara 10 years AGO

please provide online test menu same as the tcs,infosys,etc test for same as result,discussion board,math tricks,etc

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your scroll bar not working properly please solve the problem

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