Question 15
VariationThe time taken to do a piece of work is inversely proportional to the number of men employed. If it takes 45 men to do a piece of work in 5 days, how long will it take 25 men?
- A.15 days
- B.12 days
- C.5 days
- D.9 days
Show the answer and explanation
Answer: D (9 days)
Explanation
The work needs 45 × 5 = 225 man-days. With 25 men it takes 225 ÷ 25 = 9 days.