Multiple choice general knowledge math & puzzles

Guess the next number 4, 2, 3, 7.5, 26.25, --------;

  1. 113.125

  2. 131.125

  3. 181.125

  4. 118.125

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

The series follows a multiplication pattern with increments of 0.5: $4 imes 0.5 = 2$; $2 imes 1.5 = 3$; $3 imes 2.5 = 7.5$; $7.5 imes 3.5 = 26.25$. The next step is $26.25 imes 4.5 = 118.125$.