Multiple choice Find the missing term in the series 13, 14, 26, 108, ? , 13712 840 856 880 896 920 Reveal answer Fill a bubble to check yourself B Correct answer Explanation The pattern is: 13*1+1=14, 14*2-2=26, 26*4+4=108, 108*8-8=856, 856*16+16=13712.