What was the question for this implicit rationale, and corresponding answer?
1/15 + 1/25 = 8/75
75/8 = 9 3/8 days
The answer: (C)
The question: Anil can do a work in 15 days while Sunil can do it in 25 days. How long will they take if both work together?
Options:
(A) 9 3/7 days
(B) 9 7/8 days
(C) 9 3/8 days
(D) 4 3/8 days
(E) 9 6/8 days