20 men can do a certain work in 60 days but after every five days, five additional men join them. In how many days will work be done now?
Q1. 20 men can do a certain work in 60 days but after every five days, five additional men join them. In how many days will work be done now?
Answer: 34.5 days
Explanation: Every 5 days, 5 more men join 20 initial workers. Cumulative work is tracked period by period; the total work of 1200 man-days is completed in approximately 34.5 days.