Q. A completes a work in 15 days and B takes 45 days. If A works alone for 3 days and B works alone for 9 days, how much work remains?
✅ Correct Answer: (B)
1/3
Explanation: A: 3/15 = 1/5, B: 9/45 = 1/5. Completed = 2/5 → Remaining = 3/5.
Explanation by: Kartik Sharma
A: 3/15 = 1/5, B: 9/45 = 1/5. Completed = 2/5 → Remaining = 3/5.