A and B together can do a piece of work in 12 days

A and B together can do a piece of work in 12 days; B and C together can do it in 15 days. If A is twice as good a workman as C, in how many days A alone will do the same work?

Solution:

More Solutions:

• A, B and C together can do a piece of work in 15 days
• A and B together can build a wall in 10 days
• Two quantities are said to be in direct variation
• Two quantities x andy are said to be in inverse variation
• Two quantities x and y are said to be in inverse variation if xy = k