Logarithm MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Logarithm, a fundamental topic in the field of Aptitude. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Logarithm MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Logarithm mcq questions that explore various aspects of Logarithm problems. Each MCQ is crafted to challenge your understanding of Logarithm principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Aptitude tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Logarithm MCQs are your pathway to success in mastering this essential Aptitude topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Logarithm. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Logarithm knowledge to the test? Let's get started with our carefully curated MCQs!

Logarithm MCQs | Page 1 of 1

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Probability

Q1.

Which of the following statements is not correct?

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

Discuss

Answer: (b).log (2 + 3) = log (2 x 3)

Q2.

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

a.

2.870

b.

2.967

c.

3.876

d.

3.912

Discuss

Answer: (c).3.876

Q3.

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

a.

0.934

b.

0.945

c.

0.954

d.

0.958

Discuss

Answer: (c).0.954

Q4.

If log (a/b) + log (b/a) = log (a + b), then:

a.

a + b = 1

b.

a - b = 1

c.

a = b

d.

a^2 - b^2 = 1

Discuss

Answer: (a).a + b = 1

Q5.

If log10 7 = a, then log10 (1/70) is equal to:

a.

- (1 + a)

b.

(1 + a)-1

c.

a

10

d.

1

10a

Discuss

Answer: (a).- (1 + a)

Q6.

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

a.

1.6020

b.

1.9030

c.

3.9030

d.

None of these

Discuss

Answer: (b).1.9030

Q7.

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

a.

1

b.

3

c.

5

d.

10

Discuss

Answer: (b).3

Q8.

If log 2 = 0.30103, the number of digits in 2^64 is:

a.

18

b.

19

c.

20

d.

21

Discuss

Answer: (c).20

Q9.

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

a.

2^10

b.

2^100

c.

2^1000

d.

2^10000

Discuss

Answer: (c).2^1000

Q10.

The value of log2 16 is:

a.

1

8

b.

4

c.

8

d.

16

Discuss

Answer: (b).4

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