Question

25 men working 8 hours a day to do a job in 63 days how long would 45 men take to finish the job working 7 hours a day​

Answer 1

Answer:

25 men can do a work (P) in 6 days working 8 hours a day. So we have the equation for the amount of production: 25 men * 6 days * 8hrs/day = P.

Answer 2

25 men working 8 hours a day = 200 hours of work done a day.

They do a job in 63 days so total time taken is 12,600 hours.

45 men working 7 hours a day = 315 hours of work a day.

Number of days taken = 12,600/315=40