यदि \(A=\{1,2,3\}\), \(B=\{2,3,4\}\) और \(C=\{3,4,5\}\) हैं, तो (A\times(\(B\cup C\)-A)) में कितने अवयव होंगे?

If \(A=\{1,2,3\}\), \(B=\{2,3,4\}\) and \(C=\{3,4,5\}\), how many elements are in (A\times(\(B\cup C\)-A))?

Explanation opens after your attempt
Correct Answer

C. (6)

Step 1

Concept

\(B\cup C={2,3,4,5}\) and (\(B\cup C\)-A={4,5}). Therefore (n(A\times(\(B\cup C\)-A))=3\times2=6).

Step 2

Why this answer is correct

The correct answer is C. (6). \(B\cup C={2,3,4,5}\) and (\(B\cup C\)-A={4,5}). Therefore (n(A\times(\(B\cup C\)-A))=3\times2=6).

Step 3

Exam Tip

\(B\cup C={2,3,4,5}\) और (\(B\cup C\)-A={4,5}) है। इसलिए (n(A\times(\(B\cup C\)-A))=3\times2=6)।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A=\{1,2,3\}\), \(B=\{2,3,4\}\) और \(C=\{3,4,5\}\) हैं, तो (A\times(\(B\cup C\)-A)) में कितने अवयव होंगे? / If \(A=\{1,2,3\}\), \(B=\{2,3,4\}\) and \(C=\{3,4,5\}\), how many elements are in (A\times(\(B\cup C\)-A))?

Correct Answer: C. (6). Explanation: \(B\cup C={2,3,4,5}\) और (\(B\cup C\)-A={4,5}) है। इसलिए (n(A\times(\(B\cup C\)-A))=3\times2=6)। / \(B\cup C={2,3,4,5}\) and (\(B\cup C\)-A={4,5}). Therefore (n(A\times(\(B\cup C\)-A))=3\times2=6).

Which concept should I revise for this Mathematics MCQ?

\(B\cup C={2,3,4,5}\) and (\(B\cup C\)-A={4,5}). Therefore (n(A\times(\(B\cup C\)-A))=3\times2=6).

What exam hint can help solve this Mathematics question?

\(B\cup C={2,3,4,5}\) और (\(B\cup C\)-A={4,5}) है। इसलिए (n(A\times(\(B\cup C\)-A))=3\times2=6)।