A tap can fill a tank in 10 hours and another tap can empty the tank in 15 hours. If both the taps are opened together how much time will be taken to fill 2/3 of the tank.

A tap can fill a tank in 10 hours and another tap can empty the tank i

1.	A tap can fill a tank in 10 hours and another tap can empty the tank in 15 hours. If both the taps are opened together how much time will be taken to fill 2/3 of the tank.
A.	15 hours
B.	10 hours
C.	20 hours
D.	5 hours
Answer» D. 5 hours

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A tap can fill a tank in 10 hours and another tap can empty the tank in 15 hours. If both the taps are opened together how much time will be taken to fill 2/3 of the tank.

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