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QA - Placement Quizzes | Pipes and Cisterns | Question 15
A cistern can be filled in 9 hours but it takes 10 hours due to a leak in its bottom. If the cistern is full, then the time that the leak will take to empty it is:
(A)
60 hr
(B)
50 hr
(C)
80 hr
(D)
90 hr
Answer
Please comment below if you find anything wrong in the above post
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