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2014-11-17T19:29:50+05:30

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Full tank capacity = C litres.

Filling rate of pump = C/2 litres/hour

Filling rate of pump + leak together = C / (2+1/3) = 3 C/7  litres/hour

Leakage through the leaks = C/2 - 3 C/7 =  C /14  litres / hour

Time to empty the full tank through the leaks = C / (C/14)  = 14 hours

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