Q. A can complete a work in 40 days and B in 60 days. They work alternately starting with A. In how many days will the work be completed?
✅ Correct Answer: (B)
48 days
Explanation: In 2 days they complete 1/40 + 1/60 = 1/24. After 24 pairs (48 days), work is completed.
Explanation by: Deepak Sahoo
In 2 days they complete 1/40 + 1/60 = 1/24. After 24 pairs (48 days), work is completed.