A: A and C can do 100,000 work in 15 days each so they can finish 1,000,000 work in 15 * 2 = 300 days. B can do 30% faster than A and C so he can finish 1,000,000 work in 30 / 100 * 300 = 46 days. In all it would take to finish 1,000,000 work in 300 days. The answer is (B).
Answer the following multiple choice question with options (a), (b), (c), (d), (e) by reasoning step-by-step.
Q:A and C can finish 100,000 piece of work in 15 days each. B can do 30% faster than A and B.Approximately how many days would it take to finish million piece of work with all three working simultaneously? Answer Choices: A)40 B)46 C)51 D)42 E)54