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Aptitude miscellaneous
  1. If log 2 = 0.3010, then log 5 equals :
    1. 0.3010
    2. 0.6990
    3. 0.7525
    4. Given log 2, it is not possible to calculate log 5
Correct Option: B

We can write as ,

Log 5 = log
10
2

Using given formula , log
a
 = log a - log b
b

Log 5 = log 10 – log 2
Log 5 = 1 – 0.3010 = 0.6990


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