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Three men can complete a work in 6 days and 5 women can complete the same work in 18 days. In how many days can 4 men and 10 women together complete the same work? |
3 $3\frac{1}{2}$ 2 $2\frac{1}{2}$ |
3 |
Three men can complete a work in 6 days one men one day work = 1/(6*3) = 1/18 four men one day work = 4/18 = 2/9 5 women can complete the same work in 18 days one women one day work = 1/(18*5) = 1/90 10 women one day work = 10/90 =1/9 if they work together, one day work = 2/9 + 1/9 = 3/9 = 1/3 Time taken to complete the work = 3 days The correct answer is Option (1) → 3 |
