12 men work 8 hours per day to complete the work in 10 days. To complete the same work in 10 days, working 12 hours a day, the number of men required? Select the correct option.
A) 10 days B) 9 days C) 6 days D) 8 days E) 7 days
That is, 1 work done = 12 × 8 × 10   Then, 12 8 × 10 = ? × 12 × 10   ? (i.e. No. of men required) = 12 × 8 × 10/12× 10 = 8 days   8 days)
<result>D</result>
12 men work 8 hours per day to complete the work in 10 days. To complete the same work in 10 days, working 12 hours a day, the number of men required?