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62. 12 Men or 15 women can do a piece of work in21 days. Find the number of days required tocomplete the same work by 6 men and10 women. |
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Answer» It is assumed that the efficiency of men is higher by the factor 15/12 than that of women.) The question :How many days would be needed by 6 men and 10 women can be reduced to the question How many days would be needed by 6 + 10x(12/15) = 6+8 = 14 men, if the same work can be done in 21 days by 12 men?The answer isX = 21x(12/14) = 18 days. I don't understand so please send me again clearly |
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