Write down all the subsets of the following sets
$\{ 1,2,3\} $
The subsets of $\{ 1,2,3\} $ are $\varnothing,\{1\},\{2\},\{3\},\{1,2\},\{2,3\},\{1,3\}$ and $\{1,2,3\}$
Write the following intervals in set-builder form :
$\left[ {6,12} \right]$
Given the sets $A=\{1,3,5\}, B=\{2,4,6\}$ and $C=\{0,2,4,6,8\},$ which of the following may be considered as universal set $(s)$ for all the three sets $A$, $B$ and $C$
$\varnothing$
Let $A=\{1,2,\{3,4\}, 5\} .$ Which of the following statements are incorrect and why ?
$\{\varnothing\} \subset A$
In rule method the null set is represented by
Let $A=\{1,2,3,4,5,6\} .$ Insert the appropriate symbol $\in$ or $\notin$ in the blank spaces:
$ 8\, …….\, A $
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