Multiple choice general knowledge math & puzzles

Look at this series: 2, 1, (1/2), (1/4), ... What number should come next?

  1. 1/3

  2. 1/8

  3. 2/8

  4. 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.