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Two pipes A and B can fill a tank in 20 ...

Two pipes A and B can fill a tank in 20 minutes and 30 minutes respectively. If only pipe B was kept open in the beginning for 1/5 th of the total time and then, both pipe A and B were kept open for the remaining time. How many minutes did it take the pipes to fill the tank?

A

`13(5)/(23)`

B

`16(5)/(23)`

C

`16(1)/(23)`

D

`13(1)/(23)`

Text Solution

Verified by Experts

The correct Answer is:
D
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