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      Question

      The cost of fencing a rectangular field at the rate of

      Rs. 5 per meter is Rs.350. If the length of the field is 15 meters more than its breadth, then find the length of the rectangular field.
      A 32 meters Correct Answer Incorrect Answer
      B 40 meters Correct Answer Incorrect Answer
      C 18 meters Correct Answer Incorrect Answer
      D 25 meters Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Let the length of the rectangular field be ‘x’ meter. Breadth of the field = (x – 15) meter. Therefore, perimeter of the field = 2 [x + (x + 15)] = (4x + 30) meter According to the question, => 4x – 30 = 350/5 => 4x = 70 + 30 => x = 25 meters

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