Muhammad Imdad Ullah

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.

Online MCQs about Chapter 2: real and complex numbers from Mathematics of 9th class.

1. Write $4^{2/3}$ with radical sign

 $\sqrt[2]{4^3}$

 $\sqrt[3]{4^2}$

 $\sqrt{4^3}$

 $\sqrt{4^6}$

2. Imaginary part of $-i(3i+2)$ is

 $-2$

 $-3$

 $3$

 $2$

3. If $x+iy+1=4-3i$, then

 $x=3, y=3$

 $x=3, y=-3$

 $x=5, y=-3$

 $x=4, y=-3$

4. $\left(27x^{-1}\right)^{-2/3}=$

 $\frac{\sqrt[3]{x^2}}{9}$

 $\frac{\sqrt {x^3}}{9}$

 $\frac{\sqrt[3]{x^2}}{8}$

 $\frac{\sqrt {x^3}}{8}$

5. $\sqrt[n]{ab}=$

 $\sqrt{a}\sqrt{b}$

 $\sqrt[n]{a}\sqrt[n]{b}$

 $\sqrt{a}\sqrt[n]{b}$

 $\sqrt[n]{a}\sqrt{b}$

6. If $a, b\in R$ then only one of $a=b$ or a $<b$ or $a>b$ holds is called

 Trichotomy property

 Multiplicative property

 Additive property

 Transitive property

7. $\frac{p}{q}$ is a/an _____ number.

 Irrational

 Whole

 Rational

 Natural

8. Write $\sqrt[7]{x}$ in exponential form

 $x^7$

 $x$

 $x^{1/7}$

 $x^{7/2}$

9. in $-2+3i$ is called

 Real part

 Imaginary part

 Complex number

 Negative part

10. Real part of $(-1+\sqrt{-2})^2$ is

 $-1$

 $-2\sqrt{2}$

 $1$

 $2\sqrt{2}$

11. In $\sqrt[3]{35}$ the radicand is

 $35$

 $\frac{1}{3}$

 $\sqrt{}$

 $3$

12. $\frac{p}{q}$ form of $0.\overline{3}$ is

 $0.33$

 $\frac{3}{10}$

 $\frac{1}{3}$

 $\frac{10}{3}$

13. The conjugate of $5+4i$ is

 $5+4i$

 $-5+4i$

 $5-4i$

 $-5-4i$

14. Imaginary part of $(-1+\sqrt{-2})^2$ is

 $-1$

 $1$

 $-2\sqrt{2}$

 $2\sqrt{2}$

15. Name the property of real numbers used in $\left(\frac{-\sqrt{5}}{2}\right) \times 1 = \frac{-\sqrt{5}}{2}$

 Multiplicative inverse

 Multiplicative identity

 Additive inverse

 Additive identity

16. Every real number is

 A negative integer

 A rational number

 A positive integer

 A complex number

17. $\sqrt[5]{-8}=$

 $(-8)^{1/5}$

 $(-8)^5$

 $(-8)$

 $(8)^{1/5}$

18. A non-terminative, non-recurring decimal represents

 An irrational number

 A natural number

 A rational number

 A prime number

19. $\sqrt{3}\cdot \sqrt{3}$ is a ______ number.

 Square

 Irrational

 Real

 Rational

20. $\left(\frac{25}{16}\right)^{-1/2}=$

 $\frac{4}{5}$

 $\frac{-4}{5}$

 $\frac{5}{4}$

 $\frac{-5}{4}$

21. The conjugate of $2+3i$ is

 $-2-3i$

 $2+3i$

 $2-3i$

 $-2+3i$

22. The value of $i^{10}$ is

 $i$

 $1$

 $-1$

 $-i$

23. The union of the set of rational numbers and irrational numbers is known as set of

 Rational number

 Whole number

 Real number

 Irrational number

24. The value of $i^9$ is

 $-1$

 $-i$

 $1$

 $i$

25. If $x, y, z \in R\, \, z<0$ then $x < y \Rightarrow$

 $xz \ne yz$

 $x z < y z$

 $xz > yz$

 $xz=yz$

26. Real part of $2ab(i+i^2)$ is

 $2ab$

 $-2ab$

 $2abi$

 $-2abi$

27. The value of $i$ (iota) is

 $-1$

 $(-1)^2$

 $\sqrt{-1}$

 $+1$

28. Which of the following sets have the closure property w.r.t. addition

 $\{0\}$

 $\{0, -1\}$

 $\{1, \sqrt{2}, 1/2\}$

 $\{0, 1\}$$

29. The set of natural numbers is

 $\{2,3,5,7,\cdots\}$

 $\{2, 4, 6, \cdots\}$

 $\{1,2,3,\cdots\}$

 $\{0, 1, 2, 3, \cdots\}$

30. $\pi, e, \sqrt{2}, \sqrt{3}$ and $\sqrt{5}$ are called

 Rational number

 Natural numbers

 Irrational numbers

 Real number

 Loading …

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

R Frequently Asked Questions and R Programming

Statistical Data Analysis

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

Online Mathematics MCQs Class 9 with Answers

Learn R Programming

Computer MCQs Online Test

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

MCQs in Statistics

R Programming Language