Multiple choice general knowledge math & puzzles 2,2,3,4,5,6,7,8,_,10 10 11 9 13 Reveal answer Fill a bubble to check yourself C Correct answer Explanation The sequence follows consecutive integers starting from 2, with one number missing in the middle: 2, 2, 3, 4, 5, 6, 7, 8, 9, 10. Filling in the blank sequentially requires the number 9.