\(A=\{1,2,3,4,6,12\}\) पर (aRb) यदि \(a\mid b\)। (12) से संबंधित पहले अवयवों की संख्या कितनी है?
On \(A=\{1,2,3,4,6,12\}\), (aRb) if \(a\mid b\). How many first elements are related to (12)?
Explanation opens after your attempt
D. (6)
Concept
All elements of (A) divide (12). Therefore there are (6) pairs of the form ((a,12)).
Why this answer is correct
The correct answer is D. (6). All elements of (A) divide (12). Therefore there are (6) pairs of the form ((a,12)).
Exam Tip
(A) के सभी तत्व (12) को भाग देते हैं। इसलिए ((a,12)) के (6) युग्म बनेंगे।
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