RRB Junior Engineer / DMS / CMA 2019 · Question 385 of 3719

A cistern can be filled in 9 hours. But due to a leak, it takes one hour more. If the cistern is full,in what time will it become empty due to the leak?

Answer: C. 90 hours

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Source: RRB JE 2019 CBT-1 (1-June-2019 Shift 3) — cracku.in solved paper with answer key · reliable-secondary

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