A set of 10 new questions in each round. Question: ( 1 of 10 ) Paul can finish a work in 35 days. Andrew can finish the same work in 36 days while Joshua can finish the work in 37 days. How long will it take to finish it if they work together? (A) 27 days (B) 11 3863/3887 days or 11.994 days (C) 36 days (D) 22 3863/3887 days or 22.994 days