यदि (n(U)=31) है, तो (n\(A\cup A^c\)) कितना होगा?

If (n(U)=31), what is (n\(A\cup A^c\))?

Explanation opens after your attempt
Correct Answer

A. (31)

Step 1

Concept

\(A\cup A^c=U\). Therefore (n\(A\cup A^c\)=31).

Step 2

Why this answer is correct

The correct answer is A. (31). \(A\cup A^c=U\). Therefore (n\(A\cup A^c\)=31).

Step 3

Exam Tip

\(A\cup A^c=U\) होता है। इसलिए (n\(A\cup A^c\)=31) होगा।

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Mathematics Answer, Explanation and Revision Hints

यदि (n(U)=31) है, तो (n\(A\cup A^c\)) कितना होगा? / If (n(U)=31), what is (n\(A\cup A^c\))?

Correct Answer: A. (31). Explanation: \(A\cup A^c=U\) होता है। इसलिए (n\(A\cup A^c\)=31) होगा। / \(A\cup A^c=U\). Therefore (n\(A\cup A^c\)=31).

Which concept should I revise for this Mathematics MCQ?

\(A\cup A^c=U\). Therefore (n\(A\cup A^c\)=31).

What exam hint can help solve this Mathematics question?

\(A\cup A^c=U\) होता है। इसलिए (n\(A\cup A^c\)=31) होगा।