Question

6 men can complete a piece of work in 21 days .7 women can complete the same work in 24 days.In how many days will the 6 men and 4 women together can complete the same work

Answer 1

Work done by 6men=1/21

And work done by 7 women=1/24

Work done by 6mwn and 7 women together=1/21+1/24=15/168

Thus, 6men and 7 women can complete the work together in168/15days, I. E. 11 3/15