Logarithms Multiple Choice Questions and Answers

11. John Napier prepared the logarithms tables to the base

1. 1
2. 10
3. e

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

1. 0.4343
2. infinity
3. 1

13. log mⁿ can be written as

1. (log m)ⁿ
2. m log n
3. n log m
4. log (m n)

14. log₂³ in common logarithm is written as

1. log 3 / log 2
2. log 2 / log 3
3. log 3 / 2
4. log 2³

15. log_am + log_an is same as:

1. log_a(m + n)
2. log_a(m x n)
3. log_am x log_an
4. log_a(m/n)

16. log_ba × log_cb can be written as

1. log_ca
2. log_ac
3. log_ab
4. log_bc

17. log_e 10 is

1. 2.3026
2. 0.4343
3. e¹⁰
4. 10

18. log_yx will be equal to

1. log_zx / log_yz
2. log_xz / log_yz
3. log_zx / log_zy
4. log_zy / log_zx

19. logp – logq is same as:

1. log(q/p)
2. log(p-q)
3. logp/logq
4. log(p/q)

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

1. Characteristic
2. Mantissa
3. Logarithm
4. None