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    Question

    Ratio of length to width of a rectangular field is 7:4.

    If the perimeter of the field is 220 metres, then find the area (in m2) of the field.
    A 2700 Correct Answer Incorrect Answer
    B 2600 Correct Answer Incorrect Answer
    C 2800 Correct Answer Incorrect Answer
    D 2850 Correct Answer Incorrect Answer

    Solution

    Let length and width of the rectangular field be ‘7x’ metres and ‘4x’ metres, respectively. So, 2(7x + 4x) = 220 Or, x = 10 Area of the field = 7x × 4x = 28 × (10)2 = 2800 m2

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