if 24 men can do a wrok in 15 days, then in how many days 36 men can 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 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?

If 5 men or 9 women can do a piece of work in 19 days,then in how many days will 3 men and 6 women do the same work? 12 b.15 c.backslash18 d.21

2 men and 3 boys can do a work in 10 days, 3 men and 2 boys can do a work in 8 days . In how many days 2 men and 1 boy can do the same 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 4 men or 7 women can do a work in 60 days, then in how many days will 8 men and 7 women finish 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?