`12` men can complete one third of the work in 8 days. In how many days can 16 men complete that work?

On working 10 hourse a day, 15 men can complete a piece of work in 20 days. In how many days can 30 men complete if they work 5 hours per day?

If 10 men can complete a work in 12 days . In how many days can 18 men complete the same work ?

21 men can complete a piece of work in 42/7 days. In how many days can 18 men complete the same piece of work?

12 men can complete a work in 16 days and 16 women can complete the same work in 12 days In how many days will 4 men and 8 women complete that work ?

Three men or five women can complete a piece of work in 8 days. In how many days can 6 men and 6 women complete it?

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

12 men can complete a piece of work in 16 days. In how many days will 4 men complete the same piece of work?

If 12 men or 18 women can complete a piece of work in 7 days, in how many days can 4 men and 8 women complete the same work ?