A tank is filled by pipe A in 32 minutes and pipe Bin 36 minutes.When full,it can be emptied by a pipe C in 20 minutes. If all the three pipes are opened simultaneously, half of the tank will be fill

A tank is filled by pipe A in 32 minutes and pipe Bin 36 minutes.Wh

1.	A tank is filled by pipe A in 32 minutes and pipe Bin 36 minutes.When full,it can be emptied by a pipe C in 20 minutes. If all the three pipes are opened simultaneously, half of the tank will be fill
A.	40(7/5)hrs
B.	65hrs
C.	55(5/13)hrs
D.	None of these
Answer» B. 65hrs

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A tank is filled by pipe A in 32 minutes and pipe Bin 36 minutes.When full,it can be emptied by a pipe C in 20 minutes. If all the three pipes are opened simultaneously, half of the tank will be fill

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