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    Subject

    Quantitative Aptitude

    Topic

    Areas & Volumes

    The length of a rectangular plot is 20 metres more than its breadth. If the cost of fencing the plot @ Rs. 26.50 per metre is Rs. 5300, what is the length of the plot in metres?

    ক)
    20
    খ)
    200
    গ)
    300
    ঘ)
    400

    Explanation

    Let length of plot = L meters, then breadth = L - 20 meters and perimeter = 2[L + L - 20] = [4L - 40] meters [4L - 40]  * 26.50 = 5300 [4L - 40] = 5300 / 26.50 = 200 4L = 240 L = 240/4= 60 meters.

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