A tap can fill a tank in 20 minutes. If a leakage is capable of emptying the tank in 60 minutes, the tank will be filled in

A tap can fill a tank in 20 minutes. If a leakage is capable of emptyi

1.	A tap can fill a tank in 20 minutes. If a leakage is capable of emptying the tank in 60 minutes, the tank will be filled in
A.	1 hour
B.	45 minutes
C.	30 minutes
D.	50 minutes
Answer» D. 50 minutes

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A tap can fill a tank in 20 minutes. If a leakage is capable of emptying the tank in 60 minutes, the tank will be filled in

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