If 6 men take 9 days to complete a work, how many men can complete the work in 3 days?
Q1. If 6 men take 9 days to complete a work, how many men can complete the work in 3 days?
Answer: 18 men
Explanation: Total work = 6 × 9 = 54 man-days. To finish in 3 days, men needed = 54/3 = 18.