यदि (n(A)=19), (n(B)=13), और (n\(A\cup B\)=25), तो (n\(A\cap B\)) क्या है?

If (n(A)=19), (n(B)=13), and (n\(A\cup B\)=25), what is (n\(A\cap B\))?

Explanation opens after your attempt
Correct Answer

B. (7)

Step 1

Concept

(n\(A\cap B\)=19+13-25=7). To find intersection, subtract the union from the sum of both sets.

Step 2

Why this answer is correct

The correct answer is B. (7). (n\(A\cap B\)=19+13-25=7). To find intersection, subtract the union from the sum of both sets.

Step 3

Exam Tip

(n\(A\cap B\)=19+13-25=7)। प्रतिच्छेद निकालते समय दोनों समुच्चयों के योग से संघ घटाएं।

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Mathematics Answer, Explanation and Revision Hints

यदि (n(A)=19), (n(B)=13), और (n\(A\cup B\)=25), तो (n\(A\cap B\)) क्या है? / If (n(A)=19), (n(B)=13), and (n\(A\cup B\)=25), what is (n\(A\cap B\))?

Correct Answer: B. (7). Explanation: (n\(A\cap B\)=19+13-25=7)। प्रतिच्छेद निकालते समय दोनों समुच्चयों के योग से संघ घटाएं। / (n\(A\cap B\)=19+13-25=7). To find intersection, subtract the union from the sum of both sets.

Which concept should I revise for this Mathematics MCQ?

(n\(A\cap B\)=19+13-25=7). To find intersection, subtract the union from the sum of both sets.

What exam hint can help solve this Mathematics question?

(n\(A\cap B\)=19+13-25=7)। प्रतिच्छेद निकालते समय दोनों समुच्चयों के योग से संघ घटाएं।