.. If 16 men or 20 women work for 25 days If I do, then 28 men and 15 women In how many days?

12 men of 15 women can do a work in 40 days. 8 men and 10 women can do the work in how many days?

If 12 men or 20 women can do a work in 54 days, then in how many days can 9 men and 12 women together do the work?

When 6 men and 8 women can do a piece of work in 15 days, then 11 men and 16 women can do the same work in 8 days. In how many days can 4 men and 4 women do the work ?

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?

If 12 men or 18 women can do a work in 14 days,then in how many days will 8 men and 16 women do the same work?

If 4 men or 8 women can piece of work 15 days how many can 6 men and 12 women do the same piece of work ?

A field can be reaped by 12 men or 18 women in 14 days. In how many days can 8 men and 16 women reap it?