यदि \(A=\{1,3,5\}\) और \(B=\{2,4,6\}\), तो \(A\times B\) में प्रत्येक युग्म ((a,b)) के लिए (a+b) कैसा होगा?
If \(A=\{1,3,5\}\) and \(B=\{2,4,6\}\), what will (a+b) be for every pair ((a,b)) in \(A\times B\)?
Explanation opens after your attempt
Correct Answer
B. हमेशा विषमAlways odd
Concept
The sum of an odd number and an even number is always odd. For parity questions, writing all pairs is not necessary.
Why this answer is correct
The correct answer is B. हमेशा विषम / Always odd. The sum of an odd number and an even number is always odd. For parity questions, writing all pairs is not necessary.
Exam Tip
विषम संख्या और सम संख्या का योग हमेशा विषम होता है। समता वाले प्रश्न में सभी युग्म लिखना आवश्यक नहीं।
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