List all the elements of the following sers :
$C = \{ x:x$ is an integer ${\rm{; }}{x^2} \le 4\} $
In rule method the null set is represented by
Which of the following are sets ? Justify your answer.
The collection of ten most talented writers of India.
The number of elements in the set $\{x \in R :(|x|-3)|x+4|=6\}$ is equal to
Let $A=\{1,2,\{3,4\}, 5\} .$ Which of the following statements are incorrect and why ?
$1 \subset A$