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

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

Explanation opens after your attempt
Correct Answer

B. ( (2,3) )

Step 1

Concept

Since (3=2+1), ( (2,3) ) satisfies the condition. Keep the first and second components in the correct order.

Step 2

Why this answer is correct

The correct answer is B. ( (2,3) ). Since (3=2+1), ( (2,3) ) satisfies the condition. Keep the first and second components in the correct order.

Step 3

Exam Tip

(3=2+1), इसलिए ( (2,3) ) condition पूरी करता है। पहले और दूसरे घटक को सही क्रम में रखें।

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Mathematics Answer, Explanation and Revision Hints

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

Correct Answer: B. ( (2,3) ). Explanation: (3=2+1), इसलिए ( (2,3) ) condition पूरी करता है। पहले और दूसरे घटक को सही क्रम में रखें। / Since (3=2+1), ( (2,3) ) satisfies the condition. Keep the first and second components in the correct order.

Which concept should I revise for this Mathematics MCQ?

Since (3=2+1), ( (2,3) ) satisfies the condition. Keep the first and second components in the correct order.

What exam hint can help solve this Mathematics question?

(3=2+1), इसलिए ( (2,3) ) condition पूरी करता है। पहले और दूसरे घटक को सही क्रम में रखें।