Question

If 3 men or 6 boys can complete a work in 1o days working 7 hours a day. How many days will it take to complete

Answer 1

 3 men can do the job in: 20 days 6 boys can do the job in: 20 days So, we now ... 10 men or 12 women can complete a work in 20 days. ... How long will 7 men and 10 boys take to ...