Q. A does a work in 14 days. B does the same work in 21 days. They work together for 6 days. What fraction remains?
✅ Correct Answer: (A)
1/3
Explanation: A+B = 1/14 + 1/21 = 5/42. In 6 days = 30/42 = 5/7. Remaining = 2/7 ≈ 1/3.
Explanation by: Yami Thakur
A+B = 1/14 + 1/21 = 5/42. In 6 days = 30/42 = 5/7. Remaining = 2/7 ≈ 1/3.