यदि \(A=\{1,2,3,4\}\) और \(B=\{2,4,6\}\) हैं, तो \(A\times B\) में कितने युग्म ((x,y)) ऐसे हैं कि (x) संख्या (y) को विभाजित करती है?
If \(A=\{1,2,3,4\}\) and \(B=\{2,4,6\}\), how many pairs ((x,y)) in \(A\times B\) satisfy that (x) divides (y)?
Explanation opens after your attempt
Correct Answer
A. (8)
Concept
The valid pairs are ((1,2),(1,4),(1,6),(2,2),(2,4),(2,6),(3,6),(4,4)). In divisibility, note carefully which number divides the other.
Why this answer is correct
The correct answer is A. (8). The valid pairs are ((1,2),(1,4),(1,6),(2,2),(2,4),(2,6),(3,6),(4,4)). In divisibility, note carefully which number divides the other.
Exam Tip
सही युग्म ((1,2),(1,4),(1,6),(2,2),(2,4),(2,6),(3,6),(4,4)) हैं। विभाज्यता में कौन किसे विभाजित कर रहा है यह ध्यान रखें।
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