New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    The perimeter of a rectangular field is 480 meters and

    the ratio between the length and breadth is 5:3. The area of the field is:
    A 7,200 m^2 Correct Answer Incorrect Answer
    B 15,000 m^2 Correct Answer Incorrect Answer
    C 54,000 m^2 Correct Answer Incorrect Answer
    D 13,500 m^2 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Ratio of Length and Breadth = 5:3 Let the length and the breadth of the rectangle = 5x and 3x respectively According to the question Perimeter = 2(l+b) = 480 2(5x + 3x) = 480 x=30  Therefore, Length = 150m and Breadth = 90m Area of Rectangle = 150 × 90 = 13500 m2

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