Some question: Two persons A and B can complete a piece of work in 30 days and 60 days respectively. If they work together, what part of the work will be completed in 10 days?\nOptions:\n(A) 1/8\n(B) 1/3\n(C) 1/6\n(D) 1/2\n(E) 5/3
Some stream of consciousness:
User
A's one day's work = 1/30\nB's one day's work = 1/60\n(A + B)'s one day's work = 1/30 + 1/60 = 1/20\nThe part of the work completed in 10 days = 10 (1/20) = 1/2. The answer: (D).
Assistant