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P, Q and R are 3 small pumps fitted to a...

P, Q and R are 3 small pumps fitted to a tank. S is a large pump fitted to the tank. Q is 50% more efficient than P. R is `33(1)/(3)%` more efficient than Q. S is 50% more efficient than R. All of the pipes are used to fill the tank.
What is the ratio of the time taken by pumps P and R to fill the tank together to the time taken by pumps Q and S to fill the tank together?

A

`3:2`

B

`4:3`

C

`2:3`

D

`3:5`

Text Solution

Verified by Experts

The correct Answer is:
A
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