Multiple choice general knowledge math & puzzles Guess the next number 4, 2, 3, 7.5, 26.25, --------; 113.125 131.125 181.125 118.125 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 $26.25 imes 4.5 = 118.125$.