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