Two pipes A and B can 611 a tank in 24 min. and 32 min. respectively. If both the pipes are opened simultaneously, after how much time B should be closed so that the tank is full in 18 minutes ?

Two pipes A and B can 611 a tank in 24 min. and 32 min. respectivel

1.	Two pipes A and B can 611 a tank in 24 min. and 32 min. respectively. If both the pipes are opened simultaneously, after how much time B should be closed so that the tank is full in 18 minutes ?
A.	10 min
B.	15 min
C.	5 min
D.	8 min
Answer» E.

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Two pipes A and B can 611 a tank in 24 min. and 32 min. respectively. If both the pipes are opened simultaneously, after how much time B should be closed so that the tank is full in 18 minutes ?

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