यदि \(A={x:x\in\mathbb{Z},-2\le x\le1}\) और \(B=\{0,2\}\) हैं, तो \(A\times B\) में कितने युग्म होंगे?

If \(A={x:x\in\mathbb{Z},-2\le x\le1}\) and \(B=\{0,2\}\), how many pairs are in \(A\times B\)?

Explanation opens after your attempt
Correct Answer

A. (8)

Step 1

Concept

\(A=\{-2,-1,0,1\}\) has (4) elements and (B) has (2) elements. Therefore total pairs are \(4\times2=8\).

Step 2

Why this answer is correct

The correct answer is A. (8). \(A=\{-2,-1,0,1\}\) has (4) elements and (B) has (2) elements. Therefore total pairs are \(4\times2=8\).

Step 3

Exam Tip

\(A=\{-2,-1,0,1\}\) में (4) अवयव हैं और (B) में (2) अवयव हैं। इसलिए कुल युग्म \(4\times2=8\) होंगे।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A={x:x\in\mathbb{Z},-2\le x\le1}\) और \(B=\{0,2\}\) हैं, तो \(A\times B\) में कितने युग्म होंगे? / If \(A={x:x\in\mathbb{Z},-2\le x\le1}\) and \(B=\{0,2\}\), how many pairs are in \(A\times B\)?

Correct Answer: A. (8). Explanation: \(A=\{-2,-1,0,1\}\) में (4) अवयव हैं और (B) में (2) अवयव हैं। इसलिए कुल युग्म \(4\times2=8\) होंगे। / \(A=\{-2,-1,0,1\}\) has (4) elements and (B) has (2) elements. Therefore total pairs are \(4\times2=8\).

Which concept should I revise for this Mathematics MCQ?

\(A=\{-2,-1,0,1\}\) has (4) elements and (B) has (2) elements. Therefore total pairs are \(4\times2=8\).

What exam hint can help solve this Mathematics question?

\(A=\{-2,-1,0,1\}\) में (4) अवयव हैं और (B) में (2) अवयव हैं। इसलिए कुल युग्म \(4\times2=8\) होंगे।