Question
Pipes P and Q can fill a tank in 12 hours and 15 hours respectively, while a third pipe C can empty the tank in 24 hours. If all three pipes are opened simultaneously at 4:00
Pipes P and Q can fill a tank in 12 hours and 15 hours respectively, while a third pipe C can empty the tank in 24 hours. If all three pipes are opened simultaneously at 4:00
a.m., at what time will the tank be 65% full?
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