Write the following sets in the set-builder form :

$\{ 2,4,6 \ldots \} $

State which of the following sets are finite or infinite :

$\{ x:x \in N$ and $x$ is prime $\} $

List all the elements of the following sers :

$A = \{ x:x$ is an odd natural number $\} $

Which of the following is a true statement

Make correct statements by filling in the symbols $\subset$ or $ \not\subset $ in the blank spaces:

$\{ x:x$ is a student of class $\mathrm{XI}$ of your school $\}  \ldots \{ x:x$ student of your school $\} $

Which of the following are sets ? Justify your answer.

A collection of novels written by the writer Munshi Prem Chand.