If log 125 / log 5 = x, then x is equal to ?




If log 125 / log 5 = x, then x is equal to ?

A. 2

B. 3

C. 4

D. 1/2

Answer : B. 3


Explanation :

    log 125 / log 5 = x.
    log 53 / log 5 = x
    x = 3 log5 / log5
    = 3


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