Pipes A and B can fill a tank in 72 minutes and 96 minutes and pipe C can empty it at the rate of 1.5 liters/minute. The three pipes filled it in 288 minutes. Find the capacity of the tank.

Pipes A and B can fill a tank in 72 minutes and 96 minutes and pipe C

1.	Pipes A and B can fill a tank in 72 minutes and 96 minutes and pipe C can empty it at the rate of 1.5 liters/minute. The three pipes filled it in 288 minutes. Find the capacity of the tank.
A.	96 litres
B.	72 litres
C.	108 litres
D.	60 litres
Answer» C. 108 litres

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Pipes A and B can fill a tank in 72 minutes and 96 minutes and pipe C can empty it at the rate of 1.5 liters/minute. The three pipes filled it in 288 minutes. Find the capacity of the tank.

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