A can do\[\frac{1}{4}\]of a work in 10 days; B can do 40% of that work in 15 days and C can do \[\frac{1}{3}\]of the work in 13 days. Who will complete the work first?
12 men, working 8 hours a day complete a piece of work in 10 days. To complete the same work in 8 days, working 15 hours a day, the number of men required is:
