Multiple choice

Find next term of the series. 2, 5, 11, 23, ______

  1. 43

  2. 45

  3. 47

  4. 49

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

The pattern is 2*2+1=5, 5*2+1=11, 11*2+1=23, 23*2+1=47.

AI explanation

This series follows a pattern where the difference between consecutive terms doubles each time, starting with a difference of 3. The difference between 23 and the next term must be 12 doubled, which is 24. Adding 23 and 24 gives the next term as 47.