State which of the following sets are finite or infinite :
$\{ x:x \in N$ and $x$ is odd $\} $
Since there are infinite number of odd numbers, hence, the given set is infinite.
Which of the following are sets ? Justify your answer.
A team of eleven best-cricket batsmen of the world.
The smallest set $A$ such that $A \cup \{1, 2\} = \{1, 2, 3, 5, 9\}$ is
Which set is the subset of all given sets
Which of the following sets are finite or infinite.
$\{1,2,3 \ldots .\}$
Let $A=\{1,2,3,4,5,6\} .$ Insert the appropriate symbol $\in$ or $\notin$ in the blank spaces:
$10 \, ………\, A $
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