A: A's one day's work is 1 / 3 * 24 = 1/12 A and B's one day's work is 1 / 2 * 24 = 1 / 4 A's one day's work is 1 / 6 * 24 = 1 / 32 A alone can do the work in 32 days. The answer is (D).
Answer the following multiple choice question with options (a), (b), (c), (d), (e) by reasoning step-by-step.
Q:If A is thrice as fast as B and together can do a work in 24 days. In how many days A alone can do the work? Answer Choices: A)36 B)42 C)28 D)32 E)45