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A can do a piece of work in 20 days which B alone can do in 12 days. Both started working together, B worked at it for 9 days. A can finish the remaining work in (a) 3 days (b) 5 days (c) 7 days (d) 11 days |
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Answer» A can do a piece of work in 20 days which B alone can do in 12 days. Both started working together, B worked at it for 9 days. A can finish the remaining work in (a) 3 days (b) 5 days (c) 7 days (d) 11 days |
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