Examine whether the following statements are true or false :
$\{ 1,2,3\} \subset \{ 1,3,5\} $
If $Q = \left\{ {x:x = {1 \over y},\,{\rm{where \,\,}}y \in N} \right\}$, then
The number of elements in the set $\{x \in R :(|x|-3)|x+4|=6\}$ is equal to
What universal set $(s)$ would you propose for each of the following :
The set of isosceles triangles
Let $A$ and $B$ be two non-empty subsets of a set $X$ such that $A$ is not a subset of $B$, then