यदि \(A=\{2,4,6\}\) और \(B=\{1,2\}\) हैं, तो \(A\times B\) में कितने युग्मों का दूसरा घटक (B) का सबसे बड़ा तत्व है?
If \(A=\{2,4,6\}\) and \(B=\{1,2\}\), how many pairs in \(A\times B\) have the largest element of (B) as the second component?
Explanation opens after your attempt
Correct Answer
B. (3)
Concept
The largest element of (B) is (2), and the (3) elements of (A) can be first components with it. For a fixed second component, the answer is (n(A)).
Why this answer is correct
The correct answer is B. (3). The largest element of (B) is (2), and the (3) elements of (A) can be first components with it. For a fixed second component, the answer is (n(A)).
Exam Tip
(B) का सबसे बड़ा तत्व (2) है और उसके साथ (A) के (3) तत्व पहले घटक बन सकते हैं। निश्चित दूसरे घटक के लिए उत्तर (n(A)) होता है।
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