A is twice as good a workman as B and together they finish a piece of work in 14 days. In how many days can a alone finish the work?

Question

Accepted Answer

One day's work of A and B = 1/x + 1/2x = 1/14 ∴ x = 21 Since A is twice efficient as B so A will take half of the day taken by B.

Discussion & Comments