9 men and 20 women working 5/4 hours a day can do 3/4 of a work in 9 days and the remaining work is done by 7 men and 46 women working 1/ 4 hours a day in 5 days. find the number of days for 13 men and 14 women to complete the same entire work by working 1/ 2 hours a day?
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The answer will be = 216 hours
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