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If a = {3, 5, 7, 9, 11} and B = {4, 7, 10}, Find: N (B) - Mathematics

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If A = {3, 5, 7, 9, 11} and B = {4, 7, 10}, find: n (B)

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Solution

n (B) = {3, 6, 9, 12} = 4

Concept: Concept for Universal Sets
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Selina Concise Mathematics Class 7 ICSE
Chapter 13 Set Concepts (Some Simple Divisions by Vedic Method)
Exercise 13 (D) | Q 3.3
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