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How Many Cubes of Edge 4 cm

GeneralClass 12AllAnswered 27 Mar 2026
Answer

This question typically asks how many cubes of a given edge length can fit into a larger cube or rectangular box. Without the complete question specifying the dimensions of the larger container, I'll explain the general approach to solving such problems. To find how many smaller cubes fit into a larger container, you divide the volume of the container by the volume of one small cube, or alternatively, divide each dimension of the container by the edge length of the small cube and multiply the results.

For example, if the question asks "How many cubes of edge 4 cm can be placed in a cubical box of edge 12 cm?", the solution would be: First, find how many small cubes fit along each dimension: 12 ÷ 4 = 3 cubes along length, width, and height. Then multiply: 3 × 3 × 3 = 27 cubes total. Alternatively, using volume: Large cube volume = 12³ = 1,728 cm³, Small cube volume = 4³ = 64 cm³, Number of cubes = 1,728 ÷ 64 = 27 cubes. For rectangular containers, the same principle applies: if a box measures 16 cm × 12 cm × 8 cm, you'd calculate: (16÷4) × (12÷4) × (8÷4) = 4 × 3 × 2 = 24 cubes of edge 4 cm. These problems develop spatial reasoning, understanding of volume, and division skills. Important considerations include: dimensions must be evenly divisible by the cube edge for perfect fitting (otherwise some space remains unused), all measurements should be in the same units, and the calculation assumes cubes are placed efficiently without gaps. Such problems appear frequently in geometry, competitive exams, and practical applications like packing, storage optimization, and understanding three-dimensional space, making them valuable for developing mathematical thinking and real-world problem-solving abilities.

General · Class 12