A group of men decided to do a work in 15days, but 8 of them became absent. If the rest of the group did the work in 18days, Find the original number of men? Answers.
A) 15 B) 48 C) 54 D) 33 E) 45

Rationale: "original number of men = 8 * 18 / ( 18 - 15 ) = 48 answer is b"
Answer: B