# MCQs Number System – 4

The Post is about the MCQs Number System from Mathematics of Intermediate Part-I (First Year). Let us start with the Online Number System Quiz with Answers. MCQs are about the number system Test for the preparation of mathematics.

MCQs Mathematics covers the topic of the Number system for the preparation of Intermediate mathematics.

1. The set $\{1, -1\}$ possesses closure property w.r.t.

2. If $R$ is the set of real numbers, then product $R\times R$ is called

3. If a point $A$ of a coordinate plane corresponds to the ordered pair $(a, b)$, then $a$ and $b$ are called

4. Polar form of $1+i\sqrt{3}$ is

5. Golden rule of fraction is that for $k\ne 0$, $\frac{a}{b} =$

6. The geometrical plane on which the coordinate system has been specified is called

7. Real part of $(x+iy)^n$ is

8. The correct statement of De Mover’s Theorem is $(cos \theta + i\, sin\, \theta)^n$ is equal to

9. If $z=x+iy$ then $|z|=? 10. If$z=a+ib$then$(z^2+\overline{z}^2)$is equal to 11. If$z$is a real number then 12. If point$A$of the coordinate plane corresponds to the ordered pair$(a,b)$then 13. Polar form of$(\sqrt{3} + i)$is 14. The modulus value of a complex number$z=x+iy$is the distance from 15. 0.1428571428571…. is 16. If$|x+5i|=3$then$x$is equal to 17. If$z_1=2+3i$,$z_2=1-i$then$|z_1z_2|=$18. Imaginary part of$(-2+3i)^2$is equal to 19. If$z=3-5i$then$|z|^2$is equal to 20. The modulus of$z$is A numeral system is a way of expressing numbers; that is, it is a mathematical writing system or notation used to represent the numbers of a given set consistently by using either digits or other symbols. The same sequence of symbols may represent different numbers in different numeral systems. ### Decimal Number System The commonly used number system is the decimal positional numeral system. The decimal refers to 10 symbols: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. These numbers are used to construct all other numbers such as 10, 11, 12, 13, and so on. In mathematics courses you have heard about number systems of whole numbers and real numbers, however, in the context of computer systems, the other types of number systems are (i) The decimal number system (Ten Symbols or Numbers), (ii) The binary number system (Two Numbers or Symbols), (iii) The octal number system (Eight Numbers or Symbols)and, (iv) The hexadecimal number system (Sixteen Numbers or Symbols). ### MCQs Number System • Imaginary part of$(-2+3i)^2$is equal to • If$R$is the set of real numbers, then product$R\times R$is called • The geometrical plane on which the coordinate system has been specified is called • If a point$A$of a coordinate plane corresponds to the ordered pair$(a, b)$, then$a$and$b$are called • If point$A$of the coordinate plane corresponds to the ordered pair$(a,b)$then • The modulus value of a complex number$z=x+iy$is the distance from • If$z=x+iy$then$|z|=?
• If $z_1=2+3i$, $z_2=1-i$ then $|z_1z_2|=$
• The correct statement of De Mover’s Theorem is $(cos \theta + i\, sin\, \theta)^n$ is equal to
• Polar form of $1+i\sqrt{3}$ is
• Real part of $(x+iy)^n$ is
• Polar form of $(\sqrt{3} + i)$ is
• If $z=3-5i$ then $|z|^2$ is equal to
• If $z=a+ib$ then $(z^2+\overline{z}^2)$ is equal to
• Golden rule of fraction is that for $k\ne 0$, $\frac{a}{b} =$
• The set ${1, -1}$ possesses closure property w.r.t.
• The modulus of $z$ is
• 0.1428571428571â€¦. is
• If $|x+5i|=3$ then $x$ is equal to
• If $z$ is a real number then

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