# MCQs Real and Complex Numbers 9th Class

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

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

3. The value of $i^9$ is

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

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

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

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

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

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

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

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

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

13. The set of natural numbers is

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

29. Every real number is

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

### 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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