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A pipe fills a tank in 14 hours. Because of a leak at the bottom it takes 18 hours. If the tank is full, in how much time will the leak empty it?
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A pipe fills a tank in 14 hours. Because of a leak at the bottom it takes 18 hours. If the tank is full, in how much time will the leak empty it?
A pipe can fill a tank in 14 hours and another pipe can empty it in 18 hours. If both are opened together, in how much time will the tank be filled?
Two pipes A and B can fill a tank in 7 hours and 27 hours respectively. If both are opened together, how long will they take to fill the tank?
Pipes A and B can fill a tank in 29 and 30 minutes, and pipe C can empty it in 28 minutes. If all three are opened together, how long will it take to fill the tank?
Pipes A and B can fill a tank in 12 and 11 minutes, and pipe C can empty it in 15 minutes. If all three are opened together, how long will it take to fill the tank?