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A cistern has a leak which would empty i...

A cistern has a leak which would empty it in 6 hours. A tap is turned on which fills the cistern @ 10 liters per hour and then it is emptied in IS hours. What is the capacity of the cistern?

A

100 litres

B

166.66 litres

C

60.66 litres

D

None of these

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The correct Answer is:
A
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