Multiple choice general knowledge math & puzzles Look at this series: 2, 1, (1/2), (1/4), ... What number should come next? 1/3 1/8 2/8 1/16 Reveal answer Fill a bubble to check yourself B Correct answer Explanation This is a geometric progression where each term is multiplied by 1/2. 2 * 1/2 = 1; 1 * 1/2 = 1/2; 1/2 * 1/2 = 1/4. The next term is 1/4 * 1/2 = 1/8.