Subject

    Quantitative Aptitude

    Topic

    Power & Logarithm

    If log102 = 3010, the value of log1080 is:

    ক)
    1.6020
    খ)
    1.9030
    গ)
    3.9030
    ঘ)
    None of these

    Explanation

    log10 80 = log10 (8 x 10) = log10 8 + log10 10 = log10 (23) + 1 = 3 log10 2 + 1 = (3 x 0.3010) + 1 = 1.9030.

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