A and B can together do a piece of work in 15 days. B alone can do it in 20 days. In how many days can A alone do it ? February 25, 2021 / By Preparation Point / Basic Maths Mcqs Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedInA. 40 days B. 50 days C. 60 days D. 70 days Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn