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Aptitude - Logarithm

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Exercise

  • General Questions
"Everything should be made as simple as possible, but not simpler."
- Albert Einstein
1. 

Which of the following statements is not correct?

A. log10 10 = 1
B. log (2 + 3) = log (2 x 3)
C. log10 1 = 0
D. log (1 + 2 + 3) = log 1 + log 2 + log 3

2. 

If log 2 = 0.3010 and log 3 = 0.4771, the value of log5 512 is:

A. 2.870B. 2.967
C. 3.876D. 3.912

3. 

log 8 is equal to:
log 8

A.
1
8
B.
1
4
C.
1
2
D.
1
8

4. 

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

A. 0.934B. 0.945
C. 0.954D. 0.958

5. 

If log a + log b = log (a + b), then:
b a

A. a + b = 1B. a - b = 1
C. a = bD. a2 - b2 = 1




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