Let $A$ and $B$ be two non-empty subsets of a set $X$ such that $A$ is not a subset of $B$, then
$A$ is always a subset of the complement of $B$
$B$ is always a subset of $A$
$A$ and $B$ are always disjoint
$A$ and the complement of $B$ are always non-disjoint
List all the elements of the following sers :
$C = \{ x:x$ is an integer ${\rm{; }}{x^2} \le 4\} $
Which of the following are sets ? Justify your answer.
A collection of novels written by the writer Munshi Prem Chand.
If $Q = \left\{ {x:x = {1 \over y},\,{\rm{where \,\,}}y \in N} \right\}$, then
Let $S = \{ 0,\,1,\,5,\,4,\,7\} $. Then the total number of subsets of $S$ is
Let $A=\{1,2,\{3,4\}, 5\} .$ Which of the following statements are incorrect and why ?
$\{ 3,4\} \in A$