Home - Cat - Logarithm

Logarithm Online Exam Quiz

Important questions about Logarithm. Logarithm MCQ questions with answers. Logarithm exam questions and answers for students and interviews.

1. The value of 13log10125 - 2log104 + log1032 :

Options

A : 0

B : 1

C : 2

D : 4/5

2. If a2+b2 = c2 , then 1logc+ab + 1logc-ab = ?

Options

A : 1

B : 2

C : 4

D : 8

3. If log330 = 1a and log530=1b then the value of 3log302 is:

Options

A : 3(1+a+b)

B : 2(1-a-b)

C : 3(1-a-b)

D : 3(1+a-b)

6. The value of log2log5625 is :

Options

A : 2

B : 5

C : 10

D : 15

7. The number of solutions of the equation logx2x2+40log4xx-14log16xx3=0 is:

Options

A : 0

B : 1

C : 2

D : 3

8. If a, b, c be the pth, qth and rth terms of a GP then the value of (q-r) log a + (r-p) log b + (p-q) log c is :

Options

A : 0

B : 1

C : -1

D : pqr

9. The value of log3437 is :

Options

A : 1/3

B : -3

C : -1/3

D : 3

10. The greatest possible value of n could be 9n < 108 if, given that log 3 = 0.4771 and n?N :

Options

A : 7

B : 8

C : 9

D : 10

4. If log 64 = 1.8061, then the value of log 16 will be (approx)?

Options

A : 1.9048

B : 1.2040

C : 0.9840

D : 1.4521

5. What is the number of digits in 333 ? Given that log3 = 0.47712?

Options

A : 12

B : 13

C : 14

D : 15

6. The least value of the expression 2log10x - logx1100 for x>1 is:

Options

A : 2

B : 3

C : 4

D : 5

7. Solve the equation 122x+1 = 1 ?

Options

A : -1/2

B : 1/2

C : 1

D : -1

8. For x?N, x>1 , and p=logxx+1 , q=logx+1x+2 then which one of the following is correct?

Options

A : p < q

B : p = q

C : p > q

D : can't be determined

9. Find value of log27 +log 8 +log1000log 120

Options

A : 1/2

B : 3/2

C : 2

D : 2/3

10. The Value of logtan10+logtan20+??+logtan890 is

Options

A : -1

B : 0

C : 1/2

D : 1

Cat more Online Exam Quiz

Copyright © 2021
Exam-GK-MCQ-Questions.Com | Contact Us | Privacy Policy | Terms of Use | Sitemap | 0.019196033477783