Telangana Board Solutions for Chapter: Sets, Exercise 5: Do This

List the elements of the following set.

Write the following set in the roster form.

$B$ is the set of all months in a year having $30$ days.

Write the following set in the roster form.

$P$ is the set of all prime numbers smaller than $10.$

Write the following set in the roster form.

$X$ is the set of the colours of the rainbow

$A$ is the set of factors of $12.$
Check whether $1$ is a member of $A$ or not.

$A$ is the set of factors of $12.$
Check whether $4$ is a member of $A$ or not.

$A$ is the set of factors of $12.$
Check whether $5$ is a member of $A$ or not.

$A$ is the set of factors of $12.$
Check whether $12$ is a member of $A$ or not.