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      Question

      Axar purchased several cubical boxes at Rs. 12 each and

      placed them into a cuboidal box that perfectly fits these cubes. The curved surface area of the cuboidal box is 6.08 m², and its height is 80 cm. The length to breadth ratio of the cuboidal box is 11:8. If each cubical box has a side of 20 cm, determine the total cost Axar incurred to buy all the cubical boxes.
      A Rs.4024 Correct Answer Incorrect Answer
      B Rs.4250 Correct Answer Incorrect Answer
      C Rs.3224 Correct Answer Incorrect Answer
      D Rs.4224 Correct Answer Incorrect Answer
      E none of these Correct Answer Incorrect Answer

      Solution

      ATQ, Let, length and breadth of cuboidal box be 11m cm and 8m cm, respectively. So, 2 × (11m + 8) × 80 = 6.08 × 10000 19m = 380,  m = 20 Volume of cuboidal box = (220 × 160 × 80) cm3 Volume of each cubical box = (20 × 20 × 20) cm3 Required cost = {(220 × 160 × 80)/8000}× 12 = Rs.4224

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