Complete the series 3, 4, 7, 8, 11 ,12, . . . ? January 25, 2021 / By Preparation Point / Mathematics Mcqs Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedInA) 15 B) 13 C) 14 D) 20 Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn