Q. A is twice as efficient as B. If B can finish the work in 30 days, how long will A finish it?
✅ Correct Answer: (C)
15 days
Explanation: A is twice as efficient → takes half time → 30/2 = 15 days.
Explanation by: Yami Thakur
A is twice as efficient → takes half time → 30/2 = 15 days.