Multiple choice general knowledge math & puzzles 0,-2,-6,-12,-20, ? -40 -30 -20 -10 Reveal answer Fill a bubble to check yourself B Correct answer Explanation The sequence decreases by increasing even numbers: 0 - 2 = -2; -2 - 4 = -6; -6 - 6 = -12; -12 - 8 = -20. The next step is -20 - 10 = -30.