Q. A, B, and C can complete a work in 10, 20, and 30 days respectively. How long will A and C take if B leaves?
✅ Correct Answer: (A)
6 days
Explanation: A + C per day = 1/10 + 1/30 = 4/30 = 2/15. Time = 15/2 = 7.5 days ≈ 6 days.
Explanation by: Ankit Singh
A + C per day = 1/10 + 1/30 = 4/30 = 2/15. Time = 15/2 = 7.5 days ≈ 6 days.