Write the cardinal number of each of the following sets:

$C = {x : x \in N a n d x \leq 7} .$

Open in App

Solution

Step : Finding the cardinal number of the given set

$Given : C = {x : x \in N a n d x \leq 7} .$

$∴$ The total elements in set C is 7.

We know that the cardinal number of a set is the number of elements in it.

Hence, the cardinal number of set C is 7.

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

Write the cardinal number of each of the following sets:

$G = {x : x x is a perfect square number, x \in N a n d x \leq 30}$

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

Join BYJU'S Learning Program

Explore more

Join BYJU'S Learning Program