Q. A can complete a work in 12 days and B in 18 days. Working together, they will complete it in
β
Correct Answer: (B)
7.2 days
Explanation: Combined work = 1/12 + 1/18 = 5/36. Time = 36/5 = 7.2 days.
Explanation by: Roshan
Combined work = 1/12 + 1/18 = 5/36. Time = 36/5 = 7.2 days.