Subject

    Quantitative Aptitude

    Topic

    Power & Logarithm

    For what value of x is 82x-4= 16x?

    ক)
    2
    খ)
    3
    গ)
    4
    ঘ)
    6

    Explanation

    Here,     82x-4=16x or,23(2x-4)=(24)x or,6x-12=4x or,6x-4x=12 or,  2X=12 or, x=6

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