The smallest set $A$ such that $A \cup \{1, 2\} = \{1, 2, 3, 5, 9\}$ is
$\{2, 3, 5\}$
$\{3, 5, 9\}$
$\{1, 2, 5, 9\}$
None of these
Which of the following are sets ? Justify your answer.
A collection of novels written by the writer Munshi Prem Chand.
Write down all the subsets of the following sets
$\emptyset $
Write down all the subsets of the following sets
$\{ a,b\} $
Set $A$ has $m$ elements and Set $B$ has $n$ elements. If the total number of subsets of $A$ is $112$ more than the total number of subsets of $B$, then the value of $m \times n$ is
Consider the sets
$\phi, A=\{1,3\}, B=\{1,5,9\}, C=\{1,3,5,7,9\}$
Insert the symbol $\subset$ or $ \not\subset $ between each of the following pair of sets:
$A \ldots C$