Multiple choice

12 men can do a piece of work in 10 days. How many men would be required to do the same work in 8 days?

  1. 14

  2. 18

  3. 16

  4. 15
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

12 men × 10 days = 120 man-days of work. To complete in 8 days: 120/8 = 15 men required. This is an inverse proportion problem - fewer days means more men. Option A (14) and C (16) are close but don't satisfy the equation exactly.

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