An electric pump fills a tank in 3 hours. Due to leakage in the tank, it took 3 hours 30 min to fill. In how much time will the leakage drain out all the water of the tank make it empty ?

An electric pump fills a tank in 3 hours. Due to leakage in the tank,

1.	An electric pump fills a tank in 3 hours. Due to leakage in the tank, it took 3 hours 30 min to fill. In how much time will the leakage drain out all the water of the tank make it empty ?
A.	10 hours
B.	13 hours
C.	17 hours
D.	21 hours
Answer» E.

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An electric pump fills a tank in 3 hours. Due to leakage in the tank, it took 3 hours 30 min to fill. In how much time will the leakage drain out all the water of the tank make it empty ?

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