40 men can finish a piece of work in 26 days. How many men will be needed to finish it in 16 days?

If 40 men can finish a piece of work in 26 days, how many men will be required to finish it in 20 days?

30 men can finish a piece of work in 28 days. How many days will be taken by 21 men to finish it?

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

If 36 men can finish a piece of work in 35 days.how many days will 15 men take to do it ?

36 men can do a piece of work in 7 days. How many men will do the same work in 42 days ?

4 men and 6 boys can finish a piece of work in 5 days while 3 men and 4 boys can finish it in 7 days , then the time taken by one man alone is

10 men can finish painting a wall in 8 days. How many more men will be needed if the painting work is to be finished in 4 days?

8 men can finish a piece of work in 15 hours.In how many hours can 20 men finish it?