Q. Three workers A, B, and C can complete a job in 6 days, 8 days, and 12 days respectively. Working together, how long will they take?
✅ Correct Answer: (A)
3 days
Explanation: 1 day's work = 1/6 + 1/8 + 1/12 = 4/24 + 3/24 + 2/24 = 9/24 = 3/8. Time = 8/3 = 2.67 ≈ 3 days.
Explanation by: Yami Thakur
1 day's work = 1/6 + 1/8 + 1/12 = 4/24 + 3/24 + 2/24 = 9/24 = 3/8. Time = 8/3 = 2.67 ≈ 3 days.