यदि \(A=\{0,2,4\}\) और \(B=\{1,3,5\}\) हैं, तो \(A\times B\) में कितने युग्म ((x,y)) ऐसे हैं कि (x+y=5)?
If \(A=\{0,2,4\}\) and \(B=\{1,3,5\}\), how many pairs ((x,y)) in \(A\times B\) satisfy (x+y=5)?
Explanation opens after your attempt
A. (3)
Concept
The valid pairs are ((0,5),(2,3),(4,1)). In a sum condition, always check membership of both components.
Why this answer is correct
The correct answer is A. (3). The valid pairs are ((0,5),(2,3),(4,1)). In a sum condition, always check membership of both components.
Exam Tip
सही युग्म ((0,5),(2,3),(4,1)) हैं। योग की शर्त में दोनों घटकों की सदस्यता जरूर जांचें।
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