यदि \(A=\{1,2,3,4\}\) और \(R=\{(a,b):a+b\leq5\}\), तो ( (4,2) ) के बारे में क्या सही है?
If \(A=\{1,2,3,4\}\) and \(R=\{(a,b):a+b\leq5\}\), what is true about ( (4,2) )?
Explanation opens after your attempt
B. \((4,2)\notin R\)
Concept
Because (4+2=6), which is greater than (5), \((4,2)\notin R\). In exams, apply the condition directly to the ordered pair.
Why this answer is correct
The correct answer is B. \((4,2)\notin R\). Because (4+2=6), which is greater than (5), \((4,2)\notin R\). In exams, apply the condition directly to the ordered pair.
Exam Tip
क्योंकि (4+2=6), जो (5) से बड़ा है, इसलिए \((4,2)\notin R\)। परीक्षा में ordered pair पर शर्त सीधे लगाएं।
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