# Category: Intermediate Part-I

## MCQs Number System – 4

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

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

2. If $z=a+ib$ then $(z^2+\overline{z}^2)$ is equal to

3. If $z$ is a real number then

4. The modulus of $z$ is

5. The modulus value of a complex number $z=x+iy$ is the distance from

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

7. 0.1428571428571…. is

8. If $z=3-5i$ then $|z|^2$ is equal to

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

10. If $|x+5i|=3$ then $x$ is equal to