Q. A and B together complete a work in 9 days. If A alone takes 18 days, B alone will take:
✅ Correct Answer: (C)
18 days
Explanation: B's rate = 1/9 − 1/18 = 1/18. Hence B takes 18 days.
Explanation by: Deepak Sahoo
B's rate = 1/9 − 1/18 = 1/18. Hence B takes 18 days.