A pump can fill a milk tank in 2 hours. Because of a leakage problem, it took 20 minutes more to fill the tank. The plant supervisor wants to find out how much time would the leak take to empty the full tank.

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is it 1 hour 40 min? srry if wrong...
srry,i didn't noticed that last line.....

Answers

2014-11-21T02:08:44+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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