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Pipes A and B can fill a tank in 8 hours...

Pipes A and B can fill a tank in 8 hours and 12 hours, respectively whereas pipe C can empty the full tank in 6 hours. A and B are opened for 3 hours and then closed and C is opened instantly. C will empty the tank in :

A

`4 1/2` hours

B

`4 1/4` hours

C

`3 1/2` hours

D

`3 3/4` hours

Text Solution

Verified by Experts

The correct Answer is:
D
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