A tap can fill a tank in 32 min. and another can empty it in 16 min. If the tank is already half full and both the tanks are opened together, the tank will be_________?

A tap can fill a tank in 32 min. and another can empty it in 16 min.

1.	A tap can fill a tank in 32 min. and another can empty it in 16 min. If the tank is already half full and both the tanks are opened together, the tank will be_________?
A.	12 min
B.	14 min
C.	16 min
D.	20 min
Answer» D. 20 min

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A tap can fill a tank in 32 min. and another can empty it in 16 min. If the tank is already half full and both the tanks are opened together, the tank will be_________?

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