A and B can do a piece of work in 12 days; B and C in 15 days; C and A in 20 days. A alone can do the work in__________? February 25, 2021 / By Preparation Point / Basic Maths Mcqs Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedInA. 20 days B. 30 days C. 40 days D. none of these Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn