यदि \(A=\{1,2,3\}\) और \(B=\{4,5\}\), तो \(A\times B\) के कितने उपसमुच्चय ठीक (1) अवयव वाले संबंध हैं?

If \(A=\{1,2,3\}\) and \(B=\{4,5\}\), how many one-element relations are subsets of \(A\times B\)?

Explanation opens after your attempt
Correct Answer

B. (6)

Step 1

Concept

\(|A\times B|=6\), so there are (6) ways to choose a one-element relation. A singleton relation is just one ordered pair.

Step 2

Why this answer is correct

The correct answer is B. (6). \(|A\times B|=6\), so there are (6) ways to choose a one-element relation. A singleton relation is just one ordered pair.

Step 3

Exam Tip

\(|A\times B|=6\), इसलिए (1) अवयव वाला संबंध चुनने के (6) तरीके हैं। एकल संबंध सीधे एक क्रमित युग्म होता है।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A=\{1,2,3\}\) और \(B=\{4,5\}\), तो \(A\times B\) के कितने उपसमुच्चय ठीक (1) अवयव वाले संबंध हैं? / If \(A=\{1,2,3\}\) and \(B=\{4,5\}\), how many one-element relations are subsets of \(A\times B\)?

Correct Answer: B. (6). Explanation: \(|A\times B|=6\), इसलिए (1) अवयव वाला संबंध चुनने के (6) तरीके हैं। एकल संबंध सीधे एक क्रमित युग्म होता है। / \(|A\times B|=6\), so there are (6) ways to choose a one-element relation. A singleton relation is just one ordered pair.

Which concept should I revise for this Mathematics MCQ?

\(|A\times B|=6\), so there are (6) ways to choose a one-element relation. A singleton relation is just one ordered pair.

What exam hint can help solve this Mathematics question?

\(|A\times B|=6\), इसलिए (1) अवयव वाला संबंध चुनने के (6) तरीके हैं। एकल संबंध सीधे एक क्रमित युग्म होता है।