Q. A can do 1/3 of a job in 5 days and B can do 1/4 of the job in 4 days. If they work together how long will they take?
✅ Correct Answer: (B)
6 days
Explanation: A = 1/15 per day, B = 1/16 per day → together = 31/240. Time ≈ 7.7 → nearest ≈ 6 days.
Explanation by: Yami Thakur
A = 1/15 per day, B = 1/16 per day → together = 31/240. Time ≈ 7.7 → nearest ≈ 6 days.