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A can do a piece of work in 15 days. 13 is 50% more efficient than A. B can finish it in (a) 10 days (b) 712 days (c) 12 days (d) 1012days |
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Answer» A can do a piece of work in 15 days. 13 is 50% more efficient than A. B can finish it in (a) 10 days (b) 712 days (c) 12 days (d) 1012days |
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