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8 men and 6 women can comlete a piece of work in 42 days. How many days will it take for 12 lmen and 9 women to complete the same work ? A. 6 men can complete the work in 84 days. B. 7 women can complete the work in 126 days. C. The amount of work done by a woman is four-sevenths of the work done by a man in one day. |
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Answer» Any two of them `8M+6W=1/42` `1.5(8M+6E)=1.5xx1/42` `12M+9W=1/28` So, WORK will be COMPLETED in 28 days. `therefore` No information is required to answer. |
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