\(यदि (R={(x,y):x+y\) is even\(}) है और (x=1), (y=3) हैं, तो ( (1,3) ) के बारे में सही क्या है\)?
\(If (R={(x,y):x+y\) is even\(}) and (x=1), (y=3), what is true about ( (1,3) )\)?
Explanation opens after your attempt
A. \((1,3)\in R\)
Concept
Since (1+3=4) is even, \((1,3)\in R\). Substitute the values in the condition to decide.
Why this answer is correct
The correct answer is A. \((1,3)\in R\). Since (1+3=4) is even, \((1,3)\in R\). Substitute the values in the condition to decide.
Exam Tip
(1+3=4) सम है, इसलिए \((1,3)\in R\) है। condition में मान रखकर निर्णय लें।
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