Two pipes A and B can fill a tank in 12 minutes and 15 minutes respectively. If both the taps are opened simultaneously, and the tap A is closed after 3 minutes, then how much more time will it take t

Two pipes A and B can fill a tank in 12 minutes and 15 minutes resp

1.	Two pipes A and B can fill a tank in 12 minutes and 15 minutes respectively. If both the taps are opened simultaneously, and the tap A is closed after 3 minutes, then how much more time will it take t
A.	7 min 15 sec
B.	7 min 45 sec
C.	8 min 5 sec
D.	8 min 15 sec
Answer» E.

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Two pipes A and B can fill a tank in 12 minutes and 15 minutes respectively. If both the taps are opened simultaneously, and the tap A is closed after 3 minutes, then how much more time will it take t

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