Q. A can do a work in 16 days and B can do it in 24 days. If A works for 4 days and then B completes the remaining work, how many days will B take?
✅ Correct Answer: (C)
18 days
Explanation: A completes 4/16 = 1/4 of the work. Remaining = 3/4. B takes (3/4) × 24 = 18 days. Therefore, option3 is correct.
Explanation by: Krishna Sharma
A completes 4/16 = 1/4 of the work. Remaining = 3/4. B takes (3/4) × 24 = 18 days. Therefore, option3 is correct.