यदि (n(A)=4), (n(B)=5) और (n\(A\cap B\)=2), तो (n(\(A\cap B\)\times\(A\cup B\))) कितना है?

If (n(A)=4), (n(B)=5), and (n\(A\cap B\)=2), what is (n(\(A\cap B\)\times\(A\cup B\)))?

Explanation opens after your attempt
Correct Answer

C. (14)

Step 1

Concept

(n\(A\cup B\)=4+5-2=7) and (n\(A\cap B\)=2). Hence the total is \(2\cdot7=14\).

Step 2

Why this answer is correct

The correct answer is C. (14). (n\(A\cup B\)=4+5-2=7) and (n\(A\cap B\)=2). Hence the total is \(2\cdot7=14\).

Step 3

Exam Tip

(n\(A\cup B\)=4+5-2=7) और (n\(A\cap B\)=2)। इसलिए कुल \(2\cdot7=14\) है।

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Mathematics Answer, Explanation and Revision Hints

यदि (n(A)=4), (n(B)=5) और (n\(A\cap B\)=2), तो (n(\(A\cap B\)\times\(A\cup B\))) कितना है? / If (n(A)=4), (n(B)=5), and (n\(A\cap B\)=2), what is (n(\(A\cap B\)\times\(A\cup B\)))?

Correct Answer: C. (14). Explanation: (n\(A\cup B\)=4+5-2=7) और (n\(A\cap B\)=2)। इसलिए कुल \(2\cdot7=14\) है। / (n\(A\cup B\)=4+5-2=7) and (n\(A\cap B\)=2). Hence the total is \(2\cdot7=14\).

Which concept should I revise for this Mathematics MCQ?

(n\(A\cup B\)=4+5-2=7) and (n\(A\cap B\)=2). Hence the total is \(2\cdot7=14\).

What exam hint can help solve this Mathematics question?

(n\(A\cup B\)=4+5-2=7) और (n\(A\cap B\)=2)। इसलिए कुल \(2\cdot7=14\) है।