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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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