Multiple choice

25 men can complete a work in 33 days then how many more men must be employed to complete the same work in 11 days.

  1. 100 men

  2. 75 men

  3. 40 men

  4. 50 men

  5. 55 men
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Work = men × days = 25 × 33 = 825 man-days. To complete in 11 days, we need 825/11 = 75 men. Additional men needed = 75 - 25 = 50 men. Option D is correct. This uses the inverse proportion formula: M1×D1 = M2×D2.

Keep practicing — related questions