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      Question

      The area of a rectangular field is 396 m┬▓ , whose sides

      are in the ratio of 11 : 9. What is The perimeter of the rectangular field?
      A 80 m Correct Answer Incorrect Answer
      B 74 m Correct Answer Incorrect Answer
      C 78 m Correct Answer Incorrect Answer
      D 76 m Correct Answer Incorrect Answer

      Solution

      Area = 396 m┬▓, Ratio = 11 : 9 Let length = 11x, breadth = 9x Area = 11x ├Ч 9x = 99x┬▓ = 396 x┬▓ = 4 тЗТ x = 2 Length = 22 m, Breadth = 18 m Perimeter = 2 ├Ч (22 + 18) = 80 m

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