यदि \(A\subseteq B\), (n(A)=9), और (n(B)=26), तो (n\(A\cup B\)) क्या है?

If \(A\subseteq B\), (n(A)=9), and (n(B)=26), what is (n\(A\cup B\))?

Explanation opens after your attempt
Correct Answer

C. (26)

Step 1

Concept

When \(A\subseteq B\), \(A\cup B=B\). Therefore, (n\(A\cup B\)=26).

Step 2

Why this answer is correct

The correct answer is C. (26). When \(A\subseteq B\), \(A\cup B=B\). Therefore, (n\(A\cup B\)=26).

Step 3

Exam Tip

\(A\subseteq B\) होने पर \(A\cup B=B\) होता है। इसलिए (n\(A\cup B\)=26)।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(A\subseteq B\), (n(A)=9), और (n(B)=26), तो (n\(A\cup B\)) क्या है? / If \(A\subseteq B\), (n(A)=9), and (n(B)=26), what is (n\(A\cup B\))?

Correct Answer: C. (26). Explanation: \(A\subseteq B\) होने पर \(A\cup B=B\) होता है। इसलिए (n\(A\cup B\)=26)। / When \(A\subseteq B\), \(A\cup B=B\). Therefore, (n\(A\cup B\)=26).

Which concept should I revise for this Mathematics MCQ?

When \(A\subseteq B\), \(A\cup B=B\). Therefore, (n\(A\cup B\)=26).

What exam hint can help solve this Mathematics question?

\(A\subseteq B\) होने पर \(A\cup B=B\) होता है। इसलिए (n\(A\cup B\)=26)।