Complete the number series 3,7,6,5,9,3,12,1,15__ March 26, 2021 / By Preparation Point / EXCISE & TAXATION INSPECTOR DG Khan Region Control Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedInA) 21 B) -3 C) -1 ✓ D)13 Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn