Aptitude Question:
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600 to be seated. 10 benches are less. 2 more persons are required to be seated in each bench. How many benches.
209
36
44
60

Answer:

ans is 60 benches

let x=no of benches
y=no of students per bench

given
x*y=600,---------(1)

and given that 10 benches are less hence 2 students are seated more than per bench then

600=(x-10)*(y+2)
600=xy+2x-10y-20------------(2)

since xy=600
then eq(2) is
2x-10y=20

2x-10(600/x)=20

on solving

we get x=60

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