Multiple choice general knowledge math & puzzles Look at this series: 14, 28, 20, 40, 32, 64, ... What number should come next? 52 56 96 128 Reveal answer Fill a bubble to check yourself B Correct answer Explanation The sequence follows an alternating pattern of multiplying by 2 and then subtracting 8. Specifically: 14*2=28, 28-8=20, 20*2=40, 40-8=32, 32*2=64. The next step is 64-8, which equals 56.