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      Question

      The total cost of paving a courtyard at Rs 4.50 per

      sq.cm is Rs 1620. If the length of the courtyard is 18 cm, find the breadth.
      A 10 cm Correct Answer Incorrect Answer
      B 18.5 cm Correct Answer Incorrect Answer
      C 12.8 cm Correct Answer Incorrect Answer
      D 20 cm Correct Answer Incorrect Answer

      Solution

      ATQ, Area of the courtyard = 1620 / 4.5 = 360 cmΒ² 18 Γ— breadth = 360 breadth = 20 cm

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