Multiple choice general knowledge math & puzzles 8, 27, 64, 100, 125, 216, 343 27 100 125 343 Reveal answer Fill a bubble to check yourself B Correct answer Explanation The sequence contains perfect cubes: 8 (2³), 27 (3³), 64 (4³), 125 (5³), 216 (6³), and 343 (7³). The number 100 stands out as the only non-cubic number (it's 10², a square).