20 men and 30 women can do a piece of work in 5 days and 10 men and 25 women can do the same work in 9 days. Find the time in which 20 men will do the same work.
1
6 days
2
5 days
3
4 days
4
3 days
5
9 days
20 men and 30 women can do a piece of work in 5 days and 10 men and 25 women can do the same work in 9 days. Find the time in which 20 men will do the same work.