यदि \(A=\{0,1,2,3\}\) और \(B=\{0,1,4,9\}\) है, तो \(A\times B\) में ऐसे कितने युग्म ((x,y)) हैं जिनके लिए \(y=x^2\) है?

If \(A=\{0,1,2,3\}\) and \(B=\{0,1,4,9\}\), how many pairs ((x,y)) in \(A\times B\) satisfy \(y=x^2\)?

Explanation opens after your attempt
Correct Answer

C. (4)

Step 1

Concept

For (x=0,1,2,3), (y=0,1,4,9), all in (B). Hence there are (4) pairs.

Step 2

Why this answer is correct

The correct answer is C. (4). For (x=0,1,2,3), (y=0,1,4,9), all in (B). Hence there are (4) pairs.

Step 3

Exam Tip

(x=0,1,2,3) पर (y=0,1,4,9) मिलते हैं और सभी (B) में हैं। इसलिए कुल (4) युग्म हैं।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A=\{0,1,2,3\}\) और \(B=\{0,1,4,9\}\) है, तो \(A\times B\) में ऐसे कितने युग्म ((x,y)) हैं जिनके लिए \(y=x^2\) है? / If \(A=\{0,1,2,3\}\) and \(B=\{0,1,4,9\}\), how many pairs ((x,y)) in \(A\times B\) satisfy \(y=x^2\)?

Correct Answer: C. (4). Explanation: (x=0,1,2,3) पर (y=0,1,4,9) मिलते हैं और सभी (B) में हैं। इसलिए कुल (4) युग्म हैं। / For (x=0,1,2,3), (y=0,1,4,9), all in (B). Hence there are (4) pairs.

Which concept should I revise for this Mathematics MCQ?

For (x=0,1,2,3), (y=0,1,4,9), all in (B). Hence there are (4) pairs.

What exam hint can help solve this Mathematics question?

(x=0,1,2,3) पर (y=0,1,4,9) मिलते हैं और सभी (B) में हैं। इसलिए कुल (4) युग्म हैं।