Find the cardinal number of the following sets:
$A_{1} = {- 2, - 1, 1, 3, 5$ }

Open in App

Solution

Step : Find the cardinal number of the given set
Given: $A_{1} = {- 2, - 1, 1, 3, 5$ }

Number of elements in set $A_{1} = 5$

We know that the number of distinct element in a finite set is called its cardinal number.

Hence, the cardinal number of set $A_{1}$ is 5.

Suggest Corrections

Similar questions

Find the cardinal number of the following sets :

(i) $A_{1} = {- 2, - 1, 1, 3, 5}$

(ii) $A_{2} = {x : x \in N a n d 3 \leq x < 7}$

(iii) $A_{3} = {p : p \in W a n d 2 p - 3 < 8}$

(iv) $A_{4} = {b : b \in Z a n d - 7 < 3 b - 1 \leq 2}$ $Cardinal~Number~of~set~:The number of elements in a set is called its Cardinal Number.$

A_{1}

Find the cardinal number of the following set.

$\{1, 3, 4, 1, 4, 3, 2\}$

Find the cardinal number of the following set.

$\{0\}$

A_{4} = {b : b \in Z a n d - 7 < 3 b - 1 \leq 2}

Join BYJU'S Learning Program

Explore more

Join BYJU'S Learning Program