Logarithms MCQ Quiz - Multiple Choice Questions & Answers

1. If a^x = n, then

1. a = log_x n
2. x = log_n a
3. x = log_a n
4. a = log_n x

2. The relation of y = log_z x implies

1. x^y = z
2. z^y = x
3. x^z = y
4. y^z = x

3. 30600 in scientific notation is

1. 3.06 x 10⁴
2. 3.006 10⁴
3. 30.6 x 10⁴
4. 306 x 10⁴

4. 6.35 x 10⁴ in ordinary notation is

1. 6350000
2. 635000
3. 6350
4. 63500

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

1. Scientific notation
2. Ordinary notation
3. Logarithm notation
4. None

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

1. natural
2. simple
3. scientific
4. decadic

7. For common logarithm, the base is

1. 2
2. 10
3. e
4. 1

8. For natural logarithm, the base is

1. 10
2. e
3. 2
4. 1

9. If log₂^x = 5 then x is:

1. 25
2. 32
3. 10
4. 2^5x

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

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