Tow Pipes can fill a Cistern Separately in 24 minutes an 40 minutes Respectively. A Waste Pipe can drain off 30 liters per minute. if all the three Pipes are Opened, The Cistern fills in one hour. The Capacity (In liters) of the Cistern is

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600

Tow Pipes can fill a Cistern Separately in 24 minutes an 40 minutes Respectively. A Waste Pipe can drain off 30 liters per minute. if all the three Pipes are Opened, The Cistern fills in one hour. The Capacity (In liters) of the Cistern is

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