Subject

    Quantitative Aptitude

    Topic

    Areas & Volumes

    The area of a field in the shape of a trapezium measures 1440sq m. The perpendicular distance between its parallel sides is 24cm. If the ratio of the sides is 5:3, the length of the longer parallel side is:

    ক)
    75
    খ)
    85
    গ)
    95
    ঘ)
    105

    Explanation

    Area of field = 12∗(5x+3x)∗24\frac12\ast\left(5x+3x\right)\ast24= 96x sq.m 96x = 1440 => x = 144096\frac{1440}{96} = 15 Hence, the length of longer parallel side = 5x = 75m

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