Q. A completes a work in 9 days and B in 18 days. Together they complete the work in:

  • (A) 5 days
  • (B) 6 days
  • (C) 7 days
  • (D) 8 days
✅ Correct Answer: (B) 6 days
Explanation: Combined rate = 1/9 + 1/18 = 1/6. Hence time = 6 days.

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

Explanation by: Deepak Sahoo
Combined rate = 1/9 + 1/18 = 1/6. Hence time = 6 days.

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