Multiple choice general knowledge math & puzzles How much soil (in cubic metres) is in a hole measuring 1m by 1m by 1m by 1m? 1m³ 4m³ 3m³ 0m³ Reveal answer Fill a bubble to check yourself D Correct answer Explanation This is a classic riddle. A hole is defined by the absence of material. Regardless of the dimensions (1m x 1m x 1m), a hole contains no soil because if it contained soil, it would not be a hole.