Write the following sets in the set-builder form :
$\{ 2,4,6 \ldots \} $
Let $A=\{1,2,3,4,5,6\} .$ Insert the appropriate symbol $\in$ or $\notin$ in the blank spaces:
$ 0\, ........\, A $
State which of the following sets are finite or infinite :
$\{ x:x \in N$ and $x$ is prime $\} $
Write down all the subsets of the following sets
$\emptyset $
Which of the following pairs of sets are equal ? Justify your answer.
$\mathrm{X} ,$ the set of letters in $“\mathrm{ALLOY}"$ and $\mathrm{B} ,$ the set of letters in $“\mathrm{LOYAL}”.$