\(यदि (A={1,2,3,4}) और (R={(a,b):a+b\) is even\(}), जहां (a,b\in A), तो कौन-सा युग्म (R) में है\)?
\(If (A={1,2,3,4}) and (R={(a,b):a+b\) is even\(}), where (a,b\in A), which pair is in (R)\)?
Explanation opens after your attempt
D. ((2,4))
Concept
In ((2,4)), (2+4=6), which is even. For an even sum, both components have the same parity.
Why this answer is correct
The correct answer is D. ((2,4)). In ((2,4)), (2+4=6), which is even. For an even sum, both components have the same parity.
Exam Tip
((2,4)) में (2+4=6), जो सम है। सम योग के लिए दोनों अवयव समान parity के होते हैं।
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