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A tap can fill a cistern In 8 hours and another tap can empty the full cistern in 16 hours. If both the taps are open. the time taken to fill the cistern Is (a) 513 hours (b) 10 hours (c) 16 hours (d) 20 hours |
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Answer» A tap can fill a cistern In 8 hours and another tap can empty the full cistern in 16 hours. If both the taps are open. the time taken to fill the cistern Is (a) 513 hours (b) 10 hours (c) 16 hours (d) 20 hours |
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