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      Question

      A right rectangular boxโ€™s measurement are 1.6 m long,

      90 cm wide, 60 cm in height. Soap cakes of measurement 6 cm ร— 5 cm ร— 40 mm are to be packed in the box, so that no space is left. How many cakes can be packed in the box?
      A 6000 Correct Answer Incorrect Answer
      B 5600 Correct Answer Incorrect Answer
      C 6500 Correct Answer Incorrect Answer
      D 7200 Correct Answer Incorrect Answer

      Solution

      Length of the box = 1.6m = 160cm Breadth of the box = 90cm Height of the box = 60cm The volume of the box = 1xbxh = 160 ร— 90 ร— 60 = 864000cm3 Length of a soap cake = 6cm Breadth of a soap cake = 5cm Height of a soap cake = 40mm = 4cm Volume of one soap cake = 6 x 5 x 4 = 120cm3 = volume of the box/volume of one soap cake = 864000/120 = 7200 Hence, 7200 soap cakes can be placed in the box.

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