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 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 ?

Five men or ten women can complete a job in 20 days. In how many days can 3 men and 4 women complete it ?

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?

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

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?

If 3 men or 6 women can do a piece of work in 16 days, in how many days can 12 men and 8 women do the same piece of work?

Ten women can complete a picce of work in 15 days. Six men can complete the same piece of work in 10 days. In how many days can 5 women and six men together complete the piece of work?