SSC CHSL Model Paper 2

Question : 53 of 100

Marks: +1, -0

If log 27 = 1.431, then the value of log 9 is:

Solution:

log 27 = 1.431
⇒ log (3

^{3}

) = 1.431
⇒ 3 log 3 = 1.431
⇒ log 3 = 0.477
log 9 = log(3

^{2}

) = 2 log 3 = (2 × 0.477)
So, log 9 = 0.954

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