5. A number written in the form a x 10n, where 1

Correct Answer is: Scientific notation

14. log23 in common logarithm is written as

Correct Answer is: log 3 / log 2

Logarithms MCQ Multiple Choice Questions Answers for Practice

Q: 10. If x = log y, then y is called the.....................of x.

Correct Answer is: Antilogarithm

Q: 18. logyx will be equal to

Correct Answer is: log z x / log z y

1. If a^x = n, then

a = log_x n
x = log_n a
x = log_a n
a = log_n x

2. The relation of y = log_z x implies

x^y = z
z^y = x
x^z = y
y^z = x

3. 30600 in scientific notation is

3.06 x 10⁴
3.006 10⁴
30.6 x 10⁴
306 x 10⁴

4. 6.35 x 10⁴ in ordinary notation is

6350000
635000
6350
63500

5. A number written in the form a x 10ⁿ, where 1 <= a < 10 and n is an integer is called

Scientific notation
Ordinary notation
Logarithm notation
None

6. Common logarithm is also known as..........logarithm.

natural
simple
scientific
decadic

7. For common logarithm, the base is

8. For natural logarithm, the base is

9. If log₂^x = 5 then x is:

25
32
10
2^5x

10. If x = log y, then y is called the.....................of x.

Antilogarithm
Logarithm
Characteristic
None

11. John Napier prepared the logarithms tables to the base

12. log e = ............ where e is equivalent to 2.718

0.4343
infinity
1

13. log mⁿ can be written as

(log m)ⁿ
m log n
n log m
log (m n)

14. log₂³ in common logarithm is written as

log 3 / log 2
log 2 / log 3
log 3 / 2
log 2³

15. log_am + log_an is same as:

log_a(m + n)
log_a(m x n)
log_am x log_an
log_a(m/n)

16. log_ba × log_cb can be written as

log_ca
log_ac
log_ab
log_bc

17. log_e 10 is

2.3026
0.4343
e¹⁰
10

18. log_yx will be equal to

log_zx / log_yz
log_xz / log_yz
log_zx / log_zy
log_zy / log_zx

19. logp – logq is same as:

log(q/p)
log(p-q)
logp/logq
log(p/q)

20. The decimal part of the common logarithm of a number is called the

Characteristic
Mantissa
Logarithm
None

21. The integral part of the common logarithm of a number is called the

Characteristic
Mantissa
Logarithm
None

22. The logarithm of any number to itself as base is

1
-1
10

23. The logarithm of unity to any base is

24. The value of log(p/q) is

log p - log q
log p / log q
log p + log q
log q - log p

Logarithms MCQs are essential practice tools for students and exam aspirants to master the concepts of logarithms and their applications. These questions help reinforce learning and prepare you for various assessments.

About Logarithms MCQ Questions

Logarithms MCQs cover a wide range of topics, including the definition of logarithms, properties, change of base formula, and logarithmic equations. These questions help you understand how to solve problems involving logarithmic functions and their real-world applications.

Why Practice Logarithms Objective Questions?

Practicing logarithms objective questions offers several benefits. It enhances your problem-solving skills, improves your speed and accuracy, and boosts your confidence for exams, interviews, and concept revision. Regular practice ensures a deeper understanding of logarithmic concepts, making you better prepared for any challenge.

Who Should Use These MCQs?

Students preparing for school or college exams
Competitive exam aspirants
Candidates preparing for interviews