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A and B together can do a piece of work in 6 days and A alone can do it in 9 days. B alone can do it in ? |
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Answer» A+B CAN DO TOGETHER IN 6 DAYSone day's work = 1/6A's one day work = 1/9B's one day work 1/6-1/93/541/18B will finish it in 18 days |
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