Multiple choice general knowledge math & puzzles COMPLETE THE SERIES. EASY ONE. 0,3,8,15,,. 20,25 25,36 24,35 20,30 Reveal answer Fill a bubble to check yourself C Correct answer Explanation The series follows the pattern n^2 - 1: (1^2-1)=0, (2^2-1)=3, (3^2-1)=8, (4^2-1)=15. The next two terms are (5^2-1)=24 and (6^2-1)=35.