Find the Cardinal Number of the Following Sets: A2 = {X : X ∈ N and 3 ≤ X <7} - Mathematics

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Sum

Find the cardinal number of the following sets:

A2 = {x : x ∈ N and 3 ≤ x <7}

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Solution

A2 = {x : x ∈ N and 3 ≤ x <7}

= {3, 4, 5, 6}

∴ Cardinal number of set A2 = 4

Concept: Cardinal Number of a Set
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Chapter 6: Sets - Exercise 6 (B) [Page 67]

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Selina Concise Mathematics Class 8 ICSE
Chapter 6 Sets
Exercise 6 (B) | Q 1.2 | Page 67
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