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Pipe P can fill a tank alone in 7 hours....

Pipe P can fill a tank alone in 7 hours. Pipe Q can fill the same tank alone in 13 hours. In how much time can they together fill the tank?

A

3 hours 18 minutes

B

4 hours 33 minutes

C

3 hours 45 minutes

D

4 hours 12 minutes

Text Solution

Verified by Experts

The correct Answer is:
B
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