Subject

    Bank Exam

    Topic

    Janata Bank Executive Officer 2017 (Morning)

    The ratio between the perimeter and the breadth of a rectangle is 5: If the area of the rectangle is 216 sq.cm, what is the length of the rectangle?

    ক)
    16 cm
    খ)
    18 cm
    গ)
    20 cm
    ঘ)
    24 cm

    Explanation

    216sq cm Sorry, your browser does not support inline SVG. 2x + 2y = 5y 2x=3y x=3/2 y again, xy = 216 3/2 y * y =216 y2= 432/3 = 144 y=12cm Length = 3/2 * 12 = 18cm

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