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

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

Explanation opens after your attempt
Correct Answer

C. (6)

Step 1

Concept

\(B\cup C={3,4,5}\), so (|A\times\(B\cup C\)|=2\cdot3=6). First evaluate the set inside the brackets.

Step 2

Why this answer is correct

The correct answer is C. (6). \(B\cup C={3,4,5}\), so (|A\times\(B\cup C\)|=2\cdot3=6). First evaluate the set inside the brackets.

Step 3

Exam Tip

\(B\cup C={3,4,5}\), इसलिए (|A\times\(B\cup C\)|=2\cdot3=6)। पहले कोष्ठक के भीतर का समुच्चय निकालें।

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Mathematics Answer, Explanation and Revision Hints

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

Correct Answer: C. (6). Explanation: \(B\cup C={3,4,5}\), इसलिए (|A\times\(B\cup C\)|=2\cdot3=6)। पहले कोष्ठक के भीतर का समुच्चय निकालें। / \(B\cup C={3,4,5}\), so (|A\times\(B\cup C\)|=2\cdot3=6). First evaluate the set inside the brackets.

Which concept should I revise for this Mathematics MCQ?

\(B\cup C={3,4,5}\), so (|A\times\(B\cup C\)|=2\cdot3=6). First evaluate the set inside the brackets.

What exam hint can help solve this Mathematics question?

\(B\cup C={3,4,5}\), इसलिए (|A\times\(B\cup C\)|=2\cdot3=6)। पहले कोष्ठक के भीतर का समुच्चय निकालें।