यदि \(A=\{1,2\}\), \(B=\{3\}\) और \(C=\{4,5\}\) है, तो (A\times\(B\cup C\)) में कितने अवयव होंगे?

If \(A=\{1,2\}\), \(B=\{3\}\) and \(C=\{4,5\}\), how many elements are in (A\times\(B\cup C\))?

Explanation opens after your attempt
Correct Answer

D. (6)

Step 1

Concept

\(B\cup C={3,4,5}\), so (n(A\times\(B\cup C\))=2\cdot3=6). In exams, simplify the inner set first.

Step 2

Why this answer is correct

The correct answer is D. (6). \(B\cup C={3,4,5}\), so (n(A\times\(B\cup C\))=2\cdot3=6). In exams, simplify the inner set first.

Step 3

Exam Tip

\(B\cup C={3,4,5}\), इसलिए (n(A\times\(B\cup C\))=2\cdot3=6)। परीक्षा में पहले अंदर का समुच्चय सरल करें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A=\{1,2\}\), \(B=\{3\}\) और \(C=\{4,5\}\) है, तो (A\times\(B\cup C\)) में कितने अवयव होंगे? / If \(A=\{1,2\}\), \(B=\{3\}\) and \(C=\{4,5\}\), how many elements are in (A\times\(B\cup C\))?

Correct Answer: D. (6). Explanation: \(B\cup C={3,4,5}\), इसलिए (n(A\times\(B\cup C\))=2\cdot3=6)। परीक्षा में पहले अंदर का समुच्चय सरल करें। / \(B\cup C={3,4,5}\), so (n(A\times\(B\cup C\))=2\cdot3=6). In exams, simplify the inner set first.

Which concept should I revise for this Mathematics MCQ?

\(B\cup C={3,4,5}\), so (n(A\times\(B\cup C\))=2\cdot3=6). In exams, simplify the inner set first.

What exam hint can help solve this Mathematics question?

\(B\cup C={3,4,5}\), इसलिए (n(A\times\(B\cup C\))=2\cdot3=6)। परीक्षा में पहले अंदर का समुच्चय सरल करें।