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Pipes A and B can fill an empty tank in ...

Pipes A and B can fill an empty tank in 6 and 8 hours respectively, while pipe C can empty the full tank in 10 hours. If all three pipes are opened together, then the tank will get filled in:

A

`6 1/5` hrs

B

`7 1/2` hrs

C

`4 4/23` hrs

D

`5 5/23` hrs

Text Solution

Verified by Experts

The correct Answer is:
D
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