A: Work done by A in 3 days = 12 / 3 days Work done by B in 3 days = 16 / 3 days Remaining work = 12 - 3 = 9 days. The answer is (D).
Answer the following multiple choice question with options (a), (b), (c), (d), (e) by reasoning step-by-step.
Q:A and B can do a piece of work in 12 days and 16 days respectively. Both work for 3 days and then A goes away. Find how long will B take to complete the remaining work? Answer Choices: A)10 days B)17 days C)147 days D)9 days E)1478 days