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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 @ 50 per metre is Tk. 5300, what is the length of the plot in metres?

    ক)
    60
    খ)
    50
    গ)
    120
    ঘ)
    Data inadequate

    Explanation

    Let breadth = x metres. Then, length = (x + 20) metres. Perimeter =(5300/26.50)m = 200 m. So, 2[(x + 20) + x] = 200 => 2x + 20 = 100 => 2x = 80 => x = 40. Hence, length = x + 20 = 60 m.

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