यदि \(A=\{1,2,3,4,5\}\) और \(R=\{(a,b):b=a+2\}\) है, तो कौन-सा pair (R) में है?

If \(A=\{1,2,3,4,5\}\) and \(R=\{(a,b):b=a+2\}\), which pair is in (R)?

Explanation opens after your attempt
Correct Answer

B. ( (2,4) )

Step 1

Concept

Since (4=2+2), ( (2,4) ) belongs to the relation. Changing the order of an ordered pair can change the answer.

Step 2

Why this answer is correct

The correct answer is B. ( (2,4) ). Since (4=2+2), ( (2,4) ) belongs to the relation. Changing the order of an ordered pair can change the answer.

Step 3

Exam Tip

(4=2+2), इसलिए ( (2,4) ) relation में है। ordered pair का क्रम बदलने से उत्तर बदल सकता है।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A=\{1,2,3,4,5\}\) और \(R=\{(a,b):b=a+2\}\) है, तो कौन-सा pair (R) में है? / If \(A=\{1,2,3,4,5\}\) and \(R=\{(a,b):b=a+2\}\), which pair is in (R)?

Correct Answer: B. ( (2,4) ). Explanation: (4=2+2), इसलिए ( (2,4) ) relation में है। ordered pair का क्रम बदलने से उत्तर बदल सकता है। / Since (4=2+2), ( (2,4) ) belongs to the relation. Changing the order of an ordered pair can change the answer.

Which concept should I revise for this Mathematics MCQ?

Since (4=2+2), ( (2,4) ) belongs to the relation. Changing the order of an ordered pair can change the answer.

What exam hint can help solve this Mathematics question?

(4=2+2), इसलिए ( (2,4) ) relation में है। ordered pair का क्रम बदलने से उत्तर बदल सकता है।