Question
A solid cuboid (rectangular parallelepiped) has
dimensions 20 cm × 16 cm × 12 cm. It is cut into small cubes, each of side 4 cm. How many such cubes are formed?Solution
ATQ, Number of cubes along each edge: Along length: 20 / 4 = 5 Along breadth: 16 / 4 = 4 Along height: 12 / 4 = 3 Total number of cubes = 5 × 4 × 3 = 60
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