Download Logarithm Aptitude Questions And Answers PDF

Important logarithm aptitude questions and answer for those students who are preparing for competitive exams. The aptitude questions which we are providing these days in our site seems to be helpful to you for the preparation of competitive exam. Well ! If you are among those candidates who are preparing for some competitive exam for so long but unable to crack the exam yet. Then, i think you must give it another chance but, this time with some different idea. Yes, Generally, i have observed the students preparing by just focusing on one or two subjects. They mostly left the other.
But, a real candidate give his focus on each and every subject and it results into the success. Yes, an ideal preparation requires the concentration on every subject equally.

Download Logarithm Aptitude Questions And Answers

This may help you too : Download Area Problems Aptitude Questions And Answers PDF

Start your preparations by practicing here by the questions provided here. Well ! Today’s topic is Logarithm Aptitude Questions. Yes, Logarithm, also known as the inverse of Exponential. The questions generally asked in competitive exams are not that tough. Yes, one more thing, Logarithm is generally written as “log”which denotes the same. To solve the problems, all you need are the clear basic concepts. Here, we are providing you the respective questions and moreover, you will get some basic formulae too which will help you to solve the questions.

Logarithm Aptitude Questions

Q1. If log a/b + log b/a = log (a + b), then

  1. a + b = 1
  2. a = b
  3. a – b = 1
  4. a2 – b2
  5. Answer is: a + b = 1

Q2. Which of the following statements is not correct?

  1. log10 10 = 1
  2. log (2 + 3) = log (2 x 3)
  3. log10 1 = 0
  4. log (1 + 2 + 3) = log 1 + log 2 + log 3
  5. Answer is: log (2 + 3) = log (2 x 3)

Q3. Find the value of log root(8)/log 8 :

  1. 1/root(8)
  2. 1/4
  3. 1/2
  4. 1/8
  5. Answer is: 1/2

Q4. If log 2 = 0.3010 and log 3 = 0.4771, the value of log5 512 is:

  1. 3.876
  2. 2.870
  3. 2.967
  4. 3.912
  5. Answer is: 3.876

Q5. If log 27 = 1.431, then the value of log 9 is:

  1. 0.934
  2. 0.945
  3. 0.954
  4. 0.958
  5. Answer is: 0.954

Q6. Find the value of (1/log3 60 + 1/log4 60 + 1/log5 60):

  1. 60
  2. 5
  3. 1
  4. 0
  5. Answer is: 1

Q7. If the value of log10 7 = a, then log10 (1/70) is:

  1. – (1 + a)
  2. 1/10a
  3. a/10
  4. (1 + a)-1
  5. Answer is: – (1 + a)

Q8. If log10 5 + log10 (5x + 1) = log10 (x + 5) + 1, then x is equal to:

  1. 1
  2. 3
  3. 5
  4. 10
  5. Answer is: 3

Q9. If log10 2 = 0.3010, the value of log10 80 is:

  1. 3.9030
  2. 1.6020
  3. 1.9030
  4. None of these
  5. Answer is: 1.9030

Q10. If log10 2 = 0.3010, then log2 10 is equal to:

  1. 0.3010
  2. 699/301
  3. 1000/301
  4. 0.6990
  5. Answer is: 1000/301

Q11. Which of the following statements is not correct?

  1. log10 10 = 1
  2. log (2 + 3) = log (2 x 3)
  3. log10 1 = 0
  4. log (1 + 2 + 3) = log 1 + log 2 + log 3
  5. Answer is: log (2 + 3) = log (2 x 3)

Q12. Find the value of log2 16 :

16
4
8
10
Answer is: 4

Q13. Find the value of log2 16 :

  1. 16
  2. 4
  3. 8
  4. 10
  5. Answer is: 4

Q14. If the value of ax = by, then:

  1. log a/b = x/y
  2. log a/logb = x/y
  3. loga/logb=y/x
  4. None of these
  5. Answer is: loga/logb=y/x

Q15. If logx y = 100 and log2 x = 10, then the value of y is:

  1. 210
  2. 2100
  3. 21000
  4. 210000
  5. Answer is: 21000

Q16. If log x(9/16) = 1/2, then x equal to:

  1. 256/81
  2. 81/256
  3. 3/4
  4. 4/3
  5. Answer is: 256/81

Q17. If log 2 = 0.30103, the number of digits in 264 is:

  1. 18
  2. 20
  3. 19
  4. 21
  5. Answer is: 20

Guys ! As i have said you earlier also that the Logarithm Aptitude Questions is one of the important chapter and marks securing too. All you need is a proper practice and moreover, the knowledge of Formula used throughout the chapter. Well ! Here, we are providing you the formula which will be helpful to use to solve the questions provided here.
Study the formulae here and try to solve the questions given above.

  • loga (xy) = loga x + loga y
  • log (x/y) = log x – log y
  • loga 1 = 03. logx x = 1
  • loga (xn) = n(loga x)
  • loga x = 1/loga x

Dear aspirants ! I hope, the questions and formulae provided here will be helpful for your preparations and moreover, you will get to know the questions which are most probable to come in exam.
Well ! Stay connected with us for more questions answers from different sections. Let me tell you that the aptitude questions are not just limited to the written exam. But, the questions from aptitude will be asked in interview too. So, you must be there with the clear concepts.

I must say, clear your concepts here. Try solving more and more questions. It will help you to built yourself for better results. Stay connected and keep practicing here :)
Practice this too : Download Numbers Problems Aptitude Questions And Answers PDF

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