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      Question

      The internal length, breadth and height of a cardboard

      box are 6 cm, 10 cm and 12 cm, respectively. How many boxes are needed in which cubes whose volume is 2160 cm³ can be packed?
      A 4 Correct Answer Incorrect Answer
      B 3 Correct Answer Incorrect Answer
      C 6 Correct Answer Incorrect Answer
      D 5 Correct Answer Incorrect Answer

      Solution

      ATQ,

      Dimensions of the cardboard box: Length = 6 cm Breadth = 10 cm Height = 12 cm Volume of the box: 6 × 10 × 12 = 720cm3 Volume of one cube: 2160 cm³ Number of boxes required: 2160 cm3/720 cm3 = 3

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