A set of 10 new questions in each round Question: ( 1 of 10 ) George can finish a work in 51 days. Ronald can finish the same work in 56 days while Edward can finish the work in 61 days. How long will it take to finish it if they work together? (A) 42 days (B) 36 5322/9383 days or 36.567 days (C) 18 5322/9383 days or 18.567 days (D) 56 days