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    Question

    Ratio of length to width of a rectangular field is 2:5.

    If the perimeter of the field is 280 metres, then find the area (in m2) of the field.
    A 4500 Correct Answer Incorrect Answer
    B 4200 Correct Answer Incorrect Answer
    C 4500 Correct Answer Incorrect Answer
    D 4000 Correct Answer Incorrect Answer

    Solution

    Let length and width of the rectangular field be тАШ2xтАЩ metres and тАШ5xтАЩ metres, respectively. So, 2(2x + 5x) = 280 Or, x = 20 Area of the field = 2x ├Ч 5x = 10 ├Ч (20)2 = 4000 m2

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