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Pipes A and B can fill a tank in 16 hour...

Pipes A and B can fill a tank in 16 hours and 24 hours, respectively, whereas pipe C can empty the full tank in 40 hours. All three pipes are opened together, but pipe A is closed after 10 hours. After how many hours will the remaining tank be filled?

A

10

B

20

C

`12 (1)/(2)`

D

`15 (1)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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