Q. A and B together complete a work in 5 days. If A alone takes 20 days, B alone takes:
✅ Correct Answer: (B)
6.67 days
Explanation: B's rate = 1/5 − 1/20 = 3/20. Time = 20/3 = 6.67 days.
Explanation by: Deepak Sahoo
B's rate = 1/5 − 1/20 = 3/20. Time = 20/3 = 6.67 days.