Multiple choice general knowledge math & puzzles 12 cube is 1848 1628 1728 1978 Reveal answer Fill a bubble to check yourself C Correct answer Explanation 12^3 = 12 × 12 × 12 = 1728. This is a standard cube that students should memorize. First calculate 12 × 12 = 144, then 144 × 12 = 1728. Note that 1728 is also 12 dozen (a gross).