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      Question

      The length of the rectangle is triple its breadth. If

      the perimeter of the rectangle is 120 m, then find the area (in m 2) of the rectangle.
      A 685 sq.m Correct Answer Incorrect Answer
      B 635 sq.m Correct Answer Incorrect Answer
      C 675 sq.m Correct Answer Incorrect Answer
      D 655 sq.m Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Let the breadth of the rectangle = x, so the length of the rectangle = 3x Perimeter = 2(l + b) 120 = 2(x + 3x) 60 = 4x x = 15 Breadth = 15 m, Length = 45 m So the area of the rectangle = 15 Γ— 45 = 675 m2

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