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      Question

      The length of a 744 metre long wire is 12 times the

      perimeter of a rectangular French garden. Find the area of the rectangular garden given that its length is 7 metres more than its breadth.
      A 510 mΒ² Correct Answer Incorrect Answer
      B 414 mΒ² Correct Answer Incorrect Answer
      C 325 mΒ² Correct Answer Incorrect Answer
      D 228 mΒ² Correct Answer Incorrect Answer

      Solution

      ATQ, Let the length and breadth of the garden be β€˜L’ metres and β€˜B’ metres, respectively. Perimeter of the garden = (744/12) = 62 metres So, 2 Γ— (L + B) = 62 Or, (L + B) = 31 ATQ; L = B + 7 So, B + 7 + B = 31 Or, 2B = 24 So, B = 12 So, breadth of the garden = 12 metres And, length of the garden = 12 + 7 = 19 metres So, area of the garden = 19 Γ— 12 = 228 mΒ²

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