12 men and 15 women can do a work in 6 days, and 6 men and 12 women can do it in 10 days, in how many days can 8 men and 10 women do the same work?

6 men and 9 women can do a piece of work in 4 days.4 men and 3 women can do it in 8 days. In how many days can 20 men and 6 women do the same work ?

6 men and 9 women can do a piece of work in 4 days.4 men and 3 women can do it in 8 days. In how many days can 20 men and 6 women do the same work ?

6 men or 8 women can do a job in 10 days In how many days can 5 men and 9 women do the same job?

Six men and 4 women can do a piece of work in 32 days. Seven men and 12 women can do it in 18 days. In how many days can 18 men and 8 women do the same work, working together ?

Six men and 4 women can do a piece of work in 32 days. Seven men and 12 women can do it in 18 days. In how many days can 18 men and 8 women do the same work, working together ?

8 men can do a work in 12 days while 20 women can do it in 10 days. In how many days can 12 men and 15 women complete the same work.

2 men and 7 women can do a piece of work in 14 days whereas 3 men and 8 women can do it in 11 days. In how many days 5 men and 4 women can do the same work?

2 men and 3 women can do a piece of work in 16 days . In how many days can 4 men and 6 women do the same work?