A is twice as good a workman as B, and together they finish a piece of work in 18 days. In how many days will B alone finish the work?
Q1. A is twice as good a workman as B, and together they finish a piece of work in 18 days. In how many days will B alone finish the work?
Answer: 54 days
Explanation: If A works twice as fast as B, together their rate is 3 units; B alone takes 3×18 = 54 days.