Question

32 men can do a piece of work in 20 days if the work is to be completed in 20 days how many men should be needed

Answer 1

Step-by-step explanation:

The work requires the input of 32*15*6 = 2880 man-day-hours.

So if 40 men are employed to work for 8 hours a day, the work can be completed in 2880 man-day-hours/40*8 man-hours = 9 days