Multiple choice general knowledge math & puzzles

5,8,26,48,122,_

  1. 168

  2. 37

  3. 170

  4. 39

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The sequence follows the pattern n^2 - 1 and n^2 + 1 alternately for specific integers: 2^2+1=5, 3^2-1=8, 5^2+1=26, 7^2-1=48, 11^2+1=122. The next prime is 13, so 13^2-1 = 168. 170 (13^2+1) is wrong because the subtraction/addition alternates.