lu) 2011ULES25, A tap can fill a cistern in 8 hours and another tap ca – InterviewSolution

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1.	lu) 2011ULES25, A tap can fill a cistern in 8 hours and another tap can empty the full cistern in 16 hours. Ifboth the taps are open, the time taken to fill the cistern is(a) 5-hours (b) 10 hours (c) 16 hours (d) 20 hours
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