\(यदि (A={1,2,3,4}), (B={1,2,3,4,5,6}) और (R={(a,b):b=2a\) or \(b=3a}) है, तो (|R|) क्या है\)?
\(If (A={1,2,3,4}), (B={1,2,3,4,5,6}), and (R={(a,b):b=2a\) or \(b=3a}), what is (|R|)\)?
Explanation opens after your attempt
Correct Answer
A. (5)
Concept
The rule (b=2a) gives (3) pairs and (b=3a) gives (2), with no overlap. Total is (5).
Why this answer is correct
The correct answer is A. (5). The rule (b=2a) gives (3) pairs and (b=3a) gives (2), with no overlap. Total is (5).
Exam Tip
(b=2a) से (3) और (b=3a) से (2) युग्म मिलते हैं, कोई साझा युग्म नहीं है। कुल (5) युग्म हैं।
Login to save your score, XP, coins and progress.