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Aptitude - Logarithm - Discussion

Discussion Forum : Logarithm - General Questions (Q.No. 2)
Logarithm
2.
If log 2 = 0.3010 and log 3 = 0.4771, the value of log5 512 is:
2.870
2.967
3.876
3.912
Answer: Option
Explanation:
log5 512
= log 512
log 5
= log 29
log (10/2)
= 9 log 2
log 10 - log 2
= (9 x 0.3010)
1 - 0.3010
= 2.709
0.699
= 2709
699
= 3.876
Discussion:
71 comments Page 6 of 8.
Sukh Singh said:   9 years ago
How to use Log3?

Please explain me.
Mansi said:   9 years ago
Here Log2 =0.3010.
Then, Find log 5.
Kiprop said:   3 years ago
Anyone, please Explain me in detail.
(4)
Devilyne ras said:   5 years ago
Please try to explain in statement.
MANASA said:   8 years ago
Superb explanation, Thank you all.
Heaven.bangladesh said:   1 decade ago
@sumit

Log 5=log(10/2).coz,10/2=5
Saffee2 said:   9 years ago
@Michael Essandoh.

Is it 2.5104?
Rakesh.h said:   9 years ago
Simple way;

In 512/ln 5 = 3.876.
Sinkay said:   1 decade ago
If log 2=0.3010 and log 7=0.8451,
Naveen said:   9 years ago
If log 3 = .4771 than log 27 = ?
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