Multiple choice general knowledge math & puzzles 0 1 1 2 4 ... 8 9 4 6 Reveal answer Fill a bubble to check yourself A Correct answer Explanation Each term is the sum of all previous terms: 0, then 0+1=1, then 0+1=1, then 0+1+1=2, then 0+1+1+2=4. The next term is 0+1+1+2+4=8.