Pump A can fill the empty bunker in 6 hours, but due to a leak in the bottom it is filled in 7.5 hours, if thebunker is full and then Pump A is closed then in how many hours the leak can empty it?

Pump A can fill the empty bunker in 6 hours, but due to a leak in the

1.	Pump A can fill the empty bunker in 6 hours, but due to a leak in the bottom it is filled in 7.5 hours, if thebunker is full and then Pump A is closed then in how many hours the leak can empty it?
A.	30 hrs
B.	45 hrs
C.	50 hrs
D.	35 hrs
Answer» B. 45 hrs

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Pump A can fill the empty bunker in 6 hours, but due to a leak in the bottom it is filled in 7.5 hours, if thebunker is full and then Pump A is closed then in how many hours the leak can empty it?

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