A cistern has a leak which would empty it in 15 hours. A tap is turned on which admits 2 litres per hour into the cistern and it is now emptied in 10 hours. How many litres does the cistern hold?

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Accepted Answer

Here w = 2 litres per hour ∴ Required answer = {(15 x 10) / (15 - 10)} x 2 = 60 litres.

A cistern has a leak which would empty it in 15 hours. A tap is turned on which admits 2 litres per hour into the cistern and it is now emptied in 10 hours. How many litres does the cistern hold?

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