An empty swimming pool can be filled to capacity through an inlet pipe – McqOptions

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1.	An empty swimming pool can be filled to capacity through an inlet pipe in 3 hours, and it can be completely drained by a drainpipe in 6 hours. If both pipes are fully open at the same time, in how many hours will the empty pool be filled to capacity?
A.	4
B.	4.5
C.	5
D.	6
Answer» E.

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