Time & Work · Question 8 · Medium

12 men working 8 hours a day can finish a project in 18 days. In how many days will 16 men working 9 hours a day finish it?

  1. 13 1/2 days
  2. 10 days
  3. 12 days
  4. 16 days
Answer and explanation

Answer: C. 12 days

Explanation: Total = 12 × 18 × 8 = 1728 man-hours. Days = 1728 ÷ (16 × 9) = 1728 ÷ 144 = 12.

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