Two pipes X and Y can individually fill a tank in 48 and 72 min respectively. If they are opened simultaneously, how long will it take for the tank to fill?Â _x005F_x000D_

Two pipes X and Y can individually fill a tank in 48 and 72 min respec

1.	Two pipes X and Y can individually fill a tank in 48 and 72 min respectively. If they are opened simultaneously, how long will it take for the tank to fill?Â _x005F_x000D_
A.	39.4 min
B.	28.8 min
C.	24 min
D.	60 min
Answer» C. 24 min

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Two pipes X and Y can individually fill a tank in 48 and 72 min respectively. If they are opened simultaneously, how long will it take for the tank to fill?Â _x005F_x000D_

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