If 8 men or 12 women can do a piece of work in 25 days, in how many days can the same work be done by 6 men and 11 women?
Answer: 15 days
Explanation
Work done by 8 men or 12 women in 25 days:
Work done by 8 men in 25 days = 1 complete piece of work.
Work done by 12 women in 25 days = 1 complete piece of work.
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