यदि (n\(A\setminus B\)=9), (n\(A\cap B\)=6) और (n\(B\setminus A\)=11) हैं, तो (n\(A\cup B\)) कितना है?

If (n\(A\setminus B\)=9), (n\(A\cap B\)=6), and (n\(B\setminus A\)=11), what is (n\(A\cup B\))?

Explanation opens after your attempt
Correct Answer

C. (26)

Step 1

Concept

The union is made of three disjoint parts: \(A\setminus B\), \(A\cap B\), and \(B\setminus A\). Hence (9+6+11=26).

Step 2

Why this answer is correct

The correct answer is C. (26). The union is made of three disjoint parts: \(A\setminus B\), \(A\cap B\), and \(B\setminus A\). Hence (9+6+11=26).

Step 3

Exam Tip

संघ तीन अलग-अलग भागों \(A\setminus B\), \(A\cap B\), और \(B\setminus A\) से बनता है। इसलिए (9+6+11=26)।

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Mathematics Answer, Explanation and Revision Hints

यदि (n\(A\setminus B\)=9), (n\(A\cap B\)=6) और (n\(B\setminus A\)=11) हैं, तो (n\(A\cup B\)) कितना है? / If (n\(A\setminus B\)=9), (n\(A\cap B\)=6), and (n\(B\setminus A\)=11), what is (n\(A\cup B\))?

Correct Answer: C. (26). Explanation: संघ तीन अलग-अलग भागों \(A\setminus B\), \(A\cap B\), और \(B\setminus A\) से बनता है। इसलिए (9+6+11=26)। / The union is made of three disjoint parts: \(A\setminus B\), \(A\cap B\), and \(B\setminus A\). Hence (9+6+11=26).

Which concept should I revise for this Mathematics MCQ?

The union is made of three disjoint parts: \(A\setminus B\), \(A\cap B\), and \(B\setminus A\). Hence (9+6+11=26).

What exam hint can help solve this Mathematics question?

संघ तीन अलग-अलग भागों \(A\setminus B\), \(A\cap B\), और \(B\setminus A\) से बनता है। इसलिए (9+6+11=26)।