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4 men and 5 women can complete a work in 15 days, where as 9 men and 6 women can do it in 10 days. So in order to complete

4 men and 5 women can complete a work in 15 days, where as 9 men and 6 women can do it in 10 days. So in order to complete

4 men and 5 women can complete a work in 15 days, where as 9 men and 6 women can do it in 10 days. So in order to complete the same work in 7 days how many women should assist 8 men?

(a)          14

(b)          12

(c)           11

(d)          13

Sol:

Total work = (4M + 5W) × 15 = (9M + 6W) × 10

6M = 3W

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