Logarithm - Aptitude Questions and Answers | Online Logarithm MCQ Aptitude Test



Logarithm - Aptitude Questions and Answers | Online Logarithm MCQ Aptitude Test

Quiz NameLogarithm
CategoryReasoning
Number of Questions15
Time30 Minutes
Exam TypeMCQ (Multiple Choice Questions)

1. Which of the statements below is incorrect?
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, log5 512 has the value:
a. 2.870
b. 2.967
c. 3.876
d. 3.912


3. log root 8 divided by log 8 equals:
a. 1/ root 8
b. 1/4
c. 1/2
d. 1/8


4. If log 27 = 1.431, the value of log 9 is as follows:
a. 0.934
b. 0.945
c. 0.954
d. 0.958


5. If log a + log b = log (a + b), then b a = log (a + b).
a. a + b = 1
b. a - b = 1
c. a = b
d. a2 - b2 = 1


6. If log10 7 equals a, then log10 1 equals:
a. - (1 + a)
b. (1 + a)-1
c. a/10
d. 1/10a


7. Given that log10 2 = 0.3010, log2 10 equals:
a. 699/301
b. 1000/301
c. 0.3010
d. 0.6990


8. If log10 2 = 0.3010, then log10 80 equals:
a. 1.6020
b. 1.9030
c. 3.9030
d. None of these


9. If log10 5 + log10 (5x + 1) = log10 (x + 5) + 1 = log10 (x + 5) + 1, then x equals:
a. 1
b. 3
c. 5
d. 10


10. 1/log3 60+1/log4 60+ 1/log5 60 is equal to:
a. 0
b. 1
c. 5
d. 60


11.The number of digits in 264 is: 11. If log 2 = 0.30103, the number of digits in 264 is:
a. 18
b. 19
c. 20
d. 21


12. If logx 9/16 = - 1/2, then x equals:
a. -3/4
b. 3/4
c. 81/256
d. 256/81


13.If axe equals by, then:A
a. log a/b =x/y
b. log a/log b=x/y
c. log a/log b=y/x
d. None of these

14. If logx y = 100 and log2 x = 10, the value of y is as follows:
a. 210
b. 2100
c. 21000
d. 210000


15. The value of log2 16 is as follows:
a. 1/8
b. 4
c. 8
d. 16




Please read it carefully and eligible candidate can apply for this post before this Opening will get closed. Current Government and Private vacancies are updated regularly with details. To get more Latest JobUpdate like our Facebook Fan Page. Hope the information is helpful for all job seekers. Keep visiting Freshers Job for Latest Freshers Jobs, off campus drives,walk-in interviews in India.