यदि \(A=\{1,2,3,4\}\) और \(B=\{1,4,9,16\}\), तो \(A\times B\) में (b>a) वाले युग्मों की संख्या कितनी है?
If \(A=\{1,2,3,4\}\) and \(B=\{1,4,9,16\}\), how many pairs in \(A\times B\) satisfy (b>a)?
Explanation opens after your attempt
C. (11)
Concept
For (a=1,2,3,4), the numbers of choices with (b>a) are (3,3,3,2). Total is (11).
Why this answer is correct
The correct answer is C. (11). For (a=1,2,3,4), the numbers of choices with (b>a) are (3,3,3,2). Total is (11).
Exam Tip
(a=1,2,3,4) पर (b>a) के लिए क्रमशः (3,3,3,2) विकल्प हैं। कुल (11) है।
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