A tap can fill the tank in 8 hours and another can empty it in 16 hours. If both the taps are opened simultaneously, the time (in hours) to fill the tank is__.

A tap can fill the tank in 8 hours and another can empty it in 16 hour

1.	A tap can fill the tank in 8 hours and another can empty it in 16 hours. If both the taps are opened simultaneously, the time (in hours) to fill the tank is__.
A.	18 hours
B.	16 hours
C.	8 hours
D.	10 hours
Answer» C. 8 hours

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A tap can fill the tank in 8 hours and another can empty it in 16 hours. If both the taps are opened simultaneously, the time (in hours) to fill the tank is__.

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