Q. A can complete a work in 36 days while B can complete it in 18 days. B is how many times as efficient as A?

  • (A) 1.5
  • (B) 2
  • (C) 2.5
  • (D) 3
✅ Correct Answer: (B) 2
Explanation: Efficiency is inversely proportional to time. 36/18 = 2.

Published by Deepak Sahoo ⭐ 11.23K Points at 21-Jul-2026 06:20 am in Math

Explanation by: Deepak Sahoo
Efficiency is inversely proportional to time. 36/18 = 2.

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