Multiple choice general knowledge math & puzzles 1,1,4,8,9,27,16,64 25 125 81 36 Reveal answer Fill a bubble to check yourself A Correct answer Explanation The series alternates between squares and cubes: 1^2, 1^3, 2^2, 2^3, 3^2, 3^3, 4^2, 4^3. The next term should be 5^2, which is 25.