If 25 mencan do a piece of work in 36 days , in how many days will 15 men do it?

If 36 men can do a piece of work in 25 days, in how many days will 15 men do it?

If 36 men can do a piece of work in 25 days, in how many days will 15 men do it?

If 45 men can do a piece of work in 49 days, in how many days will 35 men do it?

If 52 men can do a piece of work in 35 days in how many days 28 men will do it ?

If 52 men can do a piece of work in 35 days in how many days 28 men will do it?

If 15 men can complete a piece of work in 30 days, in how many days will 18 men complete it ?

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

If 20 men working 7 hours a day can do a piece of work in 10 days, in how many days will 15 men working 8 hours a day do the same piece of work?