यदि \(A=\{0,1,2,3\}\) और \(B=\{0,1,2,3\}\) हैं, तो \(A\times B\) में कितने युग्म ((a,b)) ऐसे हैं जिनमें (a+b) सम है?

If \(A=\{0,1,2,3\}\) and \(B=\{0,1,2,3\}\), how many pairs ((a,b)) in \(A\times B\) have (a+b) even?

Explanation opens after your attempt
Correct Answer

B. (8)

Step 1

Concept

The sum is even when both components have the same parity. The count is \(2\cdot2+2\cdot2=8\).

Step 2

Why this answer is correct

The correct answer is B. (8). The sum is even when both components have the same parity. The count is \(2\cdot2+2\cdot2=8\).

Step 3

Exam Tip

योग सम तब होता है जब दोनों अवयवों की समता समान हो। गिनती \(2\cdot2+2\cdot2=8\) है।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A=\{0,1,2,3\}\) और \(B=\{0,1,2,3\}\) हैं, तो \(A\times B\) में कितने युग्म ((a,b)) ऐसे हैं जिनमें (a+b) सम है? / If \(A=\{0,1,2,3\}\) and \(B=\{0,1,2,3\}\), how many pairs ((a,b)) in \(A\times B\) have (a+b) even?

Correct Answer: B. (8). Explanation: योग सम तब होता है जब दोनों अवयवों की समता समान हो। गिनती \(2\cdot2+2\cdot2=8\) है। / The sum is even when both components have the same parity. The count is \(2\cdot2+2\cdot2=8\).

Which concept should I revise for this Mathematics MCQ?

The sum is even when both components have the same parity. The count is \(2\cdot2+2\cdot2=8\).

What exam hint can help solve this Mathematics question?

योग सम तब होता है जब दोनों अवयवों की समता समान हो। गिनती \(2\cdot2+2\cdot2=8\) है।