Let $S = \{ 0,\,1,\,5,\,4,\,7\} $. Then the total number of subsets of $S$ is

Examine whether the following statements are true or false :

$\{ x:x$ is an even natural number less than $6\}  \subset \{ x:x$ is a natural mumber which divide $36\} $

Let $A=\{1,2,3,4,5,6\} .$ Insert the appropriate symbol $\in$ or $\notin$ in the blank spaces:

$ 2 \, ....... \, A $

Write the following intervals in set-builder form :

$\left( {6,12} \right]$

List all the elements of the following sers :

$A = \{ x:x$ is an odd natural number $\} $

Write the following as intervals :

$\{ x:x \in R,0\, \le \,x\, < \,7\} $