12 persons can finish a piece of work in 15 days. Ask n Answer › Category: Arithmetic › 12 persons can finish a piece of work in 15 days. 0 Vote Up Vote Down Vinuthan S Staff asked 12 months ago 12 persons can finish a piece of work in 15 days. In how many days will the same work be completed by 20 persons? (a) 15 days (b) 9 days (c) 30 days (d) 20 days Please login or Register to submit your answer Username or Email Address Password <br /> Remember Me