Q. A alone can finish work in 30 days. B can finish the same work in 45 days. Working together they will finish in?
✅ Correct Answer: (A)
18 days
Explanation: A+B = 1/30 + 1/45 = 1/18.
Explanation by: Ankit Singh
A+B = 1/30 + 1/45 = 1/18.