Subject

    Quantitative Aptitude

    Topic

    Fraction

    If logx(1/4) = -2, then x = ?

    ক)
    -1/2
    খ)
    1/2
    গ)
    2
    ঘ)
    3

    Explanation

    log x (1/4) = -2 ⇒ x -2 = 1/4 ⇒ 1/x 2 = 1/4 ⇒ x 2 = 4 ⇒ x = ±2

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