Number System-1

1. The Number ‘0’ is

2. If $z_1$ and $z_2$ are two complex number then

3. $\pi$ is

4. For any complex number $z$, it is always true that $|z|$ is equal to

5. A decimal which has only finite numbers of digits in its decimal part is called

6. If $z_1$ and $z_2$ are any two complex number, then

7. If $n$ is a Prime Number, then $\sqrt{n}$ is

8. Every recurring decimal is

9. Every Integer is also a

10. The numbers which cannot be written in the form of $\frac{p}{q}\,\,$ $p,q\in Z\,$, $q\ne 0$ are

11. $\pi$ is the ratio

12. $\frac{22}{7}$ is

13. 5.333 is

14. The Number ‘0’ is

15. The numbers which can be put in the form $\frac{p}{q}\,\,$ $p, q \in Z$, $q \ne 0$ are

16. If $a, b \in R$ and $(a+b)\in R$ then this property of real numbers is

17. A Non terminating and a non recurring decimal is

18. A decimal in which one or more digits repeat indefinitely in its decimal part is called

19. For $a,b\in R$ if $a+b=b+a$, then this property is called

20. If $n$ is a negative Number then $\sqrt{n}$ is