Multiple choice general knowledge math & puzzles 1, 2, 4, 7, 11, 16, 22, x 29 25 27 23 Reveal answer Fill a bubble to check yourself A Correct answer Explanation The differences between terms are increasing by 1: +1, +2, +3, +4, +5, +6. Following 22, the next difference is +7, resulting in 22 + 7 = 29.