Logarithm Mathematics Questions

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Majority of candidate can not do well in entry tests and fail. Thousands of students appear in entry test with the hope of starting their professional studies but do not succeed. What is the reason of this failure?

Majority of the students are quite confused about the nature and paper pattern of the entry test. They also find difficulty in managing their given time in solving different questions. They need guidance and enough practice before appearing in the entry test.

Here is solved Mcq’s related to MathematicsPortion. Each has near to 50 Mcq’s which are related to basics. Answer of these Mcq’s is given with each Mcq.

Logarithm Mathematics Questions

1. If log10 36 = y what does log10 36000 equal?
A. y B. y+1000
C. 1000 D. y+3
E. y+1

Answer: Option D

 

2. If log10 2 = x and log10 3 = y find the value of log10 80?
A. y+1 B. x+y
C. x-y D. x+2y
E. none

Answer: Option E

 

3. Solve for a : log (a+3) = loga+log3
A. 1 B. 3?2
C. 2?3 D. 6?5
E. none

Answer: Option B

 

4. Evaluate log16 ?56 – log16 ?14
A. 0 B. 1?4
C. 1 D. 3
E. 1?3

Answer: Option B

 

5. Evaluate log9 3 – log5 125 + log625 5 – log7 (343)1/3
A. 0 B. 1?3
C. 3?28 D. ?13?4
E. none

Answer: Option D

 

6. If Log10 G= 1/5 then log10 100G5=?
A. 7 B. 1?4
C. 4 D. 11?4
E. 3

Answer: Option E

 

7. If Logy 6=x logy 3.5 = z and 6a = 3.5 then a = __________
A. xz B. z/x
C. x+z D. z-x
E. not determined

Answer: Option B

 

8. If g(x) = log2 y then g(3y) – g(y) = ___________
A. log(2/x)+log2x B. log2 (2+x2)/x
C. 1 D. log23
E. log3-log2

Answer: Option D

 

9. If log5 p = ?8 and log 8 q = ?5 then pq = _________
A. 5?8.8?5 B. 13?13
C. 3?3 D. 7?2
E. 0

Answer: Option A

 

10. If log64 7 = x log4 7 then x = __________
A. 4 B. log43
C. 3 D. 1?4
E. log464

Answer: Option E

11. If log2 = 0.3010 log 3 = 0.4771 evaluate |log 3?25/100|
A. 0.4516 B. 0.1234
C. 0.5678 D. ?1.534
E. 0.3284

Answer: Option D

 

12. Evaluate 49log75
A. 25 B. 5
C. 6 D. 5?6
E. 7

Answer: Option A

 

13. Evaluate log2 (log4 256)
A. 2 B. 4
C. 3 D. 8 1
E. 8

Answer: Option A

 

14. Evaluate 3logb a4 x loga b5
A. 35 B. 49
C. 60 D. 30
E. 7

Answer: Option C

 

15. If log100 u = -2 then u =
A. 1000000 B. 1/1000000
C. 0.001 D. 1/10000
E. 100

Answer: Option D

 

16. If log81/log3 = x then x is equal to
A. 2 B. 3
C. 4
E. 7

Answer: Option C

 

17. If loge x + loge(1-x) = 0 then
A. x2+x-1 = 0 B. x2-x+1 = 0
C. x2+x-e = 0 D. x2+x+e = 0
E. x2+7x+e = 0

Answer: Option B

 

18. Log2 9 is
A. an integer B. a prime number
C. a rational number D. an irrational number

 

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