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pipes and Cisterns
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Pipes A and B can fill a cistern in 10 and 12 hours respectively and pipe C can empty it in 6 hours. If all the three are opened simultaneously, then how much time is required for the tank to be full?
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Pipes & Cisterns
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Please briefly explain why you feel this answer should be reported .
(1/10)+(1/12)-(1/6) = 1/60
i.e 60 hours
Please briefly explain why you feel this answer should be reported .
ans = 60 hr