A set of 10 new questions in each round. Question: ( 1 of 10 ) Kevin can finish a work in 47 days. George can finish the same work in 52 days while Timothy can finish the work in 57 days. How long will it take to finish it if they work together? (A) 52 days (B) 39 days (C) 34 1829/8087 days or 34.226 days (D) 17 1829/8087 days or 17.226 days