यदि \(A=\{1,2,3,4\}\) और \(B=\{4,5,6\}\) हैं, तो (n\(A\cup B\)) क्या है?

If \(A=\{1,2,3,4\}\) and \(B=\{4,5,6\}\), what is (n\(A\cup B\))?

Explanation opens after your attempt
Correct Answer

A. (6)

Step 1

Concept

\(A\cup B={1,2,3,4,5,6}\). Therefore (n\(A\cup B\)=6).

Step 2

Why this answer is correct

The correct answer is A. (6). \(A\cup B={1,2,3,4,5,6}\). Therefore (n\(A\cup B\)=6).

Step 3

Exam Tip

\(A\cup B={1,2,3,4,5,6}\) है। इसलिए (n\(A\cup B\)=6) है।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A=\{1,2,3,4\}\) और \(B=\{4,5,6\}\) हैं, तो (n\(A\cup B\)) क्या है? / If \(A=\{1,2,3,4\}\) and \(B=\{4,5,6\}\), what is (n\(A\cup B\))?

Correct Answer: A. (6). Explanation: \(A\cup B={1,2,3,4,5,6}\) है। इसलिए (n\(A\cup B\)=6) है। / \(A\cup B={1,2,3,4,5,6}\). Therefore (n\(A\cup B\)=6).

Which concept should I revise for this Mathematics MCQ?

\(A\cup B={1,2,3,4,5,6}\). Therefore (n\(A\cup B\)=6).

What exam hint can help solve this Mathematics question?

\(A\cup B={1,2,3,4,5,6}\) है। इसलिए (n\(A\cup B\)=6) है।