Logarithm, MCQ (Free PDF)


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1. Which of the following statements is not correct?
A. log(2×4×6) = log 2 + log 4 + log 6
B. log51 = 0
C. log(3+4) = log(3 × 4)
D. log55 = 1
Answer : Option C

2. Log5(0) = ?
A. None of these
B. 5
C. 0
D. 1
Answer : Option A

3. If log(64)= 1.806, log(16) = ?
A. 1.204
B. 0.903
C. 1.806
D. None of these
Answer : Option A

4. If log 2 = 0.3010 and log 3 = 0.4771, What is the value of log51024?
A. 4.31
B. 3.88
C. 3.91
D. 2.97
Answer : Option A

5. if log 2 = 0.30103 and log 3 = 0.4771, find the number of digits in (648)5.
A. 15
B. 14
C. 13
D. 12
Answer : Option A

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