Multiple choice general knowledge math & puzzles 2,6,12,20,30,... 42 40 38 44 Reveal answer Fill a bubble to check yourself A Correct answer Explanation The sequence follows the pattern n^2 + n (or n(n+1)): 1^2+1=2, 2^2+2=6, 3^2+3=12, 4^2+4=20, 5^2+5=30. The next term is 6^2+6, which is 36+6=42.