A cistern is normally filled with water in 10 hours but takes 5 hours – McqOptions

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1.	A cistern is normally filled with water in 10 hours but takes 5 hours longer to fill because of a leak in its bottom. If the cistern is full, the leak will empty the cistern in
A.	20 hours
B.	40 hours
C.	50 hours
D.	30 hours
Answer» E.

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