Area, Surface & Volumehard
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Two pipes A and B fill a tank in 4 hours and 6 hours respectively, while a drain pipe C empties it in 12 hours. If all three are opened simultaneously, how long does it take to fill the tank?
Two pipes A and B fill a tank in 4 hours and 6 hours respectively, while a drain pipe C empties it in 12 hours. If all three are opened simultaneously, how long does it take to fill the tank?