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    • 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?
      A 55 Correct Answer Incorrect Answer
      B 48 Correct Answer Incorrect Answer
      C 60 Correct Answer Incorrect Answer
      D 72 Correct Answer Incorrect Answer

      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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