An electric pump can fill a tank in 6 hours Because of a leak in the tank it took 7 hours to fill th...........

Quantitative Aptitude ( CCS) Pipes&cistern

An electric pump can fill a tank in 6 hours. Because of a leak in the tank, it took 7 hours to fill the tank. If the tank is full, how much time(In Hours) will the leak take to empty it ?

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Explanation:

Work done by the leak in 1 hour = (1/6 - 1/7)
= (7-6)/42
= 1/42.
.'. The leak will empty the tank in 42 hours.

By: Deepak Dawra

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An electric pump can fill a tank in 6 hours Because of a leak in the tank it took 7 hours to fill th...........

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