A man can work 8 hours daily and finishes a work in 12 days. If he works 6 hrs daily, in how many days will the same work be finished?

If 40 men can finish a piece of work in 60 days. In how many days will 75 , men finish the same work ?

7 men can complete a work in 52 days. In how many days will 13 men finish the same work.

24 men working 8 hours a day can finish a work in 10 days. Working at the rate of 10 hours a day, the number of men required to finish the same work in 6 days is: