Complete the series . 1,3,7,15,31,63____ March 28, 2021 / By Preparation Point / EXCISE & TAXATION INSPECTOR (BS-16) – 2018 in Additional Directorate (Held on 20-10-2018) Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedInA) 124 B) 127< C) 126 D) 129 Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn