3 men or 5 women can do a work in 12 days. How long will 6 men and 5 women take to finish the work?

Question: 3 men or 5 women can do a work in 12 days. How long will 6 men and 5 women take to finish the work?Solution:According to the question,3 men = 5 womenAs they complete the same work in same time6 men + 5 women= 6 men + 3 men= 9 menIf, 3 men does a work in 12 days1 men does a work in 12 × 39 men does a work in ( 12 × 3 )/ 9 = 4 days