Multiple choice general knowledge math & puzzles 2,6,12,20,? 30 32 34 36 Reveal answer Fill a bubble to check yourself A Correct answer Explanation The sequence follows the pattern n^2 + n: 1^2+1=2, 2^2+2=6, 3^2+3=12, 4^2+4=20. The next term is 5^2+5=30. Alternatively, the differences are 4, 6, 8, so the next difference is 10.