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The post contains MCQs logarithms Mathematics 9th Class with answers. The 9th class MCQs Logarithms Mathematics quiz contains 24 multiple-choice questions from Chapter 3 Logarithms. Let us start with the Logarithms Quiz.

Online MCQs about Logarithms from Mathematics 9th class

1. John Napier prepared the logarithms tables for the base

 0

 1

 e

 10

2. If $a^x=n$ then

 $x=log_n\, a$

 $a=log_x\,n$

 $a=log_a\,x$

 $x=log_a\,n$

3. $log\, e = $______, where $e\approx 2.718$

 $1$

 $\infty$

 $0$

 $0.4343$

4. If $log_2^x=5$ then $x$ is

 25

 10

 32

 $2^{5x}$

5. The integral part of the common logarithm of a number is called the

 Fraction

 Characteristic

 Logarithm

 Mantissa

6. For natural logarithm, the base is

 10

 e

 2

 1

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

 Mantissa

 Characteristic

 Logarithm

 Fraction

8. The relation of $y=log_z\,x$ implies

 $y^z=x$

 $x^z=y$

 $x^y=z$

 $z^y=x$

9. For common logarithms, the base is

 e

 10

 2

 1

10. Common logarithm is also known as _________ logarithm.

 Decadic

 Natural

 Simple

 Scientific

11. 30600 in scientific notation is

 $3.06\times 10^4$

 $306\times 10^4$

 $3.006\,\,10^4$

 $30.6\times 10^4$

12. $log\, p – log\, q$ is same as

 $log\left(\frac{q}{p}\right)$

 $\frac{log\,p}{log\,q}$

 $log(p-q)$

 $log\frac{p}{q}$

13. The value of $\log\left(\frac{p}{q}\right)$ is

 $log\, q – log\, p$

 $\frac{log\, p}{log\, q}$

 $log\, p – log\, q$

 $log\, p + log\, q$

14. $log_2^3$ in common logarithm is written as

 $\frac{log 3}{2}$

 $\frac{log 2}{log 3}$

 $log2^3$

 $\frac{log3}{log2}$

15. $log_y\, x$ will be equal to

 $\frac{log_x\, z}{log_y\, z}$

 $\frac{log_z\, x}{log_y\, z}$

 $\frac{log_z\, x}{log_z, y}$

 $\frac{log_\, y}{log_z\, x}$

16. The logarithm of unity to any base is

 e

 1

 10

 0

17. $log_e 10=$

 10

 $0.4343$

 $e^{10}$

 $2.3026$

18. A number written in the form $a\times 10^n$, where $1\le a < 10$ and $n$ is an integer is called

 Scientific notation

 Ordinary notation

 Mathematical notation

 Logarithm notation

19. $log_b \, a \times log_c\, b$ can be written as

 $log_b\, c$

 $log_a\, c$

 $log_a\,b$

 $log_c\, a$

20. $6.35\times 10^6$ in ordinary notation is

 6350

 6350000

 635000

 63500

21. $log\,m$ can be written as

 $log(m\, n)$

 $(log\, m)^n$

 $m\, log\, n$

 $n\, log\, m$

22. $log_a\,m+log_a\,n$ is same as

 $log_a\, \frac{m}{n}$

 $log_a\, m \times log_a\, n$

 $log_a(m+n)$

 $log_a\,m\times n$

23. If $x=log\,y$ then $y$ is called the _______ of $x$.

 Fraction

 Logarithm

 Characteristic

 Antilogarithm

24. The logarithm of any number to itself as the base is

 $1$

 $-1$

 $10$

 $0$

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Online MCQs Logarithms Mathematics 9th Class

• If $a^x=n$ then
• The relation of $y=log_z\,x$ implies
• The logarithm of unity to any base is
• The logarithm of any number to itself as the base is
• $log\, e = $ ———–, where $e\approx 2.718$
• The value of $\log\left(\frac{p}{q}\right)$ is
• $log\, p – log\, q$ is same as
• $log\,m$ can be written as
• $log_b \, a \times log_c\, b$ can be written as
• $log_y\, x$ will be equal to
• For common logarithms, the base is
• For natural logarithm, the base is
• The integral part of the common logarithm of a number is called the
• The decimal part of the common logarithm of a number is called the
• If $x=log\,y$ then $y$ is called the of $x$.
• 30600 in scientific notation is
• $6.35\times 10^6$ in ordinary notation is
• A number written in the form $a\times 10^n$, where $1\le a < 10$ and $n$ is an integer is called
• Common logarithm is also known as ———- logarithm.
• $log_a\,m+log_a\,n$ is same as
• John Napier prepared the logarithms tables for the base
• $log_2^3$ in common logarithm is written as
• $log_e 10=$
• If $log_2^x=5$ then $x$ is

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The post is about Online MCQs about Real and Complex Numbers from Mathematics of class 9. There are 30 MCQs from Chapter 2: Real and Complex Numbers of the 9th class Mathematics Book. Let us start with the Real and Complex Numbers quiz.

MCQs Real and Complex Numbers

• $\left(27x^{-1}\right)^{-2/3}=$
• Write $\sqrt[7]{x}$ in exponential form
• Write $4^{2/3}$ with radical sign
• In $\sqrt[3]{35}$ the radicand is
• $\left(\frac{25}{16}\right)^{-1/2}=$
• The conjugate of $5+4i$ is
• The value of $i^9$ is
• Every real number is
• Real part of $2ab(i+i^2)$ is
• Imaginary part of $-i(3i+2)$ is
• Which of the following sets have the closure property w.r.t. addition
• Name the property of real numbers used in $\left(\frac{-\sqrt{5}}{2}\right) \times 1 = \frac{-\sqrt{5}}{2}$
• If $x, y, z \in R\, \, z<0$ then $x < y \Rightarrow$ If $a, b\in R$ then only one of $a=b$ or a $b$ holds is called
• A non-terminative, non-recurring decimal represents
• The union of the set of rational numbers and irrational numbers is known as set of
• $\sqrt{3}\cdot \sqrt{3}$ is a _ number. $\sqrt[n]{ab}=$ $\sqrt[5]{-8}=$ The value of $i^{10}$ is The conjugate of $2+3i$ is Real part of $(-1+\sqrt{-2})^2$ is Imaginary part of $(-1+\sqrt{-2})^2$ is $\frac{p}{q}$ is a/an number.
• The value of $i$ (iota) is
• in $-2+3i$ is called
• The set of natural numbers is
• $\pi, e, \sqrt{2}, \sqrt{3}$ and $\sqrt{5}$ are called
• If $x+iy+1=4-3i$, then
• $\frac{p}{q}$ form of $0.\overline{3}$ is

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The post contains the Mathematics MCQS Class 9 Quiz. Click the relevant chapter quiz from Mathematics MCQS Class 9 Tests given below.

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Online MCQs about Matrices and Determinants for Mathematics of 9th Class. The quiz contains 20 MCQs from Chapter 1 “Matrices and Determinants” of the 9th Class Mathematics Book.

Please go to MCQs Matrices and Determinants Matric 9th to view the test

9th Class Mathematics MCQs Matrices and Determinants

• The order of matrix $\begin{bmatrix}2 & 1\end{bmatrix}$ is
• $\begin{bmatrix}\sqrt{2} & 0 \\ 0 & \sqrt{2}\end{bmatrix}$ is called matrix.
• Which is the order of a square matrix?
• Which order of a rectangular matrix?
• Order of a transpose of $\begin{bmatrix}2 & 1 \\ 0 & 1 \ 3 & 2\end{bmatrix}$ is
• Adjoint of $\begin{bmatrix}1 & 2 \\ 0 & -1\end{bmatrix}$ is
• If $\begin{vmatrix}2 & 6 \\ 3 & x\end{vmatrix}=0$ then $x$ is equal to
• Product of $\begin{bmatrix}x & y\end{bmatrix}$$\begin{bmatrix}2 \\ -1\end{bmatrix}$ is
• If $X+\begin{bmatrix}-1& -2 \\ 0 & -1\end{bmatrix}=\begin{bmatrix}1 & 0 \\ 0 & 1\end{bmatrix}$
• The idea of matrices was given by
• If $A=\begin{bmatrix}1 & -2 \\ 3 & 4\end{bmatrix}$ then $A =$ _______
• A square matrix is symmetric if _________.
• A square matrix is skew-symmetric if
• A square matrix $A$ is called singular if
• A square matrix $A$ is called non-singular if
• $(AB)^{-1}$=
• Additive inverse of $\begin{bmatrix}1 & -2 \\ 0 & -1\end{bmatrix}$ is
• If $A$ is a matrix then its transpose is denoted by
• Which of the following is the singular matrix?
• If $A=\begin{bmatrix}a & b \\ c & d\end{bmatrix}$ then the determinant $A$ is

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