Brain Teaser : Number Series 4, 6, 12, 18, 30, 42, 60, 72, 102, 108, _, _, _ July 5, 2016Maths Puzzles_, _ answer, (1/2), 102, 108, 18, 30, 4, 42, 6, 60, 72, brain teaser, maths puzzle, puzzle, riddle, whatsappadminQuestion :4, 6, 12, 18, 30, 42, 60, 72, 102, 108, _, _, _Answer :Share this:Click to share on Facebook (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on WhatsApp (Opens in new window)