Q. A can finish a work in 18 days and B can finish the same work in 27 days. How long will they take working together?
✅ Correct Answer: (A)
10 days
Explanation: 1 day's work = 1/18 + 1/27 = 5/54. Time = 54/5 = 10.8 ≈ 10 days.
Explanation by: Yami Thakur
1 day's work = 1/18 + 1/27 = 5/54. Time = 54/5 = 10.8 ≈ 10 days.