Q. A, B and C can do work in 10, 15 and 20 days respectively. Working together for 2 days, remaining work is?
✅ Correct Answer: (D)
2/5
Explanation: Daily work = 1/10 + 1/15 + 1/20 = 13/60. In 2 days = 26/60. Left = 34/60 = 17/30 ≈ 2/5.
Explanation by: Ankit Singh
Daily work = 1/10 + 1/15 + 1/20 = 13/60. In 2 days = 26/60. Left = 34/60 = 17/30 ≈ 2/5.