Q. A and B work together for 6 days, then A leaves. B alone finishes in 9 more days. If B alone can finish in 24 days, how long will A alone take?
✅ Correct Answer: (B)
16 days
Explanation: Work done by B = 9/24 = 3/8. Remaining = 5/8 done by A+B in 6 days → 6 = 5/8 ÷ rate → A = 1/16.
Explanation by: Ankit Singh
Work done by B = 9/24 = 3/8. Remaining = 5/8 done by A+B in 6 days → 6 = 5/8 ÷ rate → A = 1/16.