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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?

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 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?

3 men or 4 women can do a piece of work in 43 days. In how many days 7 men & 5 women can do the same work ?

2 men or 3 women can do a piece of work in 45 days. Find, in how many days will 6 men and 1 woman be able to complete the same 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 ?

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