Multiple choice general knowledge math & puzzles

Look at this series: 31, 29, 24, 22, 17, ... What number should come next?

  1. 15

  2. 14

  3. 13

  4. 12
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The pattern alternates between subtracting 2 and subtracting 5. Specifically: 31-2=29, 29-5=24, 24-2=22, 22-5=17. The next step in the sequence is to subtract 2 from 17, resulting in 15.

Keep practicing — related questions