Logarithm - Aptitude Interview Questions and Answers
1. logxY = 100 and log2x = 10, then the value of y is ?
A. 210
B. 21000
C. 2100
D. 210000
Answer : B. 21000...
2. What is the value of log(ab2) - log(ac) + log(abc4) - 3log(bc) ?
A. 2
B. 0
C. -2
D. 1
Answer : D. 1...
3. The value of log 9/8 - log 27/32 + log 3/4 is ?
A. 0
B. 1
C. 2
D. 3
Answer : A. 0...
4. The simplified form of log (75/16) - 2 log (5/9) + log (32/343) is ?
A. log 2
B. 2 log 2
C. log 3
D. log 5
Answer : A. log 2...
5. Find the value of log (a2 / bc) + log (b2 / ac) + log (c2 / ab) ?
A. 0
B. 1
C. abc
D. ab2c2
Answer : A. 0...
6. The equation loga (x) + loga (1+x) = 0 can be written as ?
A. x2 + x – 1 = 0
B. x2 + x + 1 = 0
C. x2 + x – e = 0
D. x2 + x + e = 0
Answer : A. x2 + x – 1 = 0...
7. If 100.3010 = 2, then find the value of log 0.125 (125) ?
A. 699 / 301
B. – 699 / 301
C. – 1
D. – 2
Answer : B. – 699 / 301...
8. log10(10) + log10(100) + log10(1000) + log10(10000) + log10(100000) is equal to ?
A. 15
B. log 11111
C. log10(1111)
D. 14 log10(100)
Answer : A. 15...
9. The value of log2(1/64) is ?
A. 6
B. – 6
C. 7
D. None of these
Answer : B. – 6...
10. If log 125 / log 5 = x, then x is equal to ?
A. 2
B. 3
C. 4
D. 1 / 2