यदि \(A=\{1,2,3,4\}\) और \(R=\{(x,y):x<y\}\) हो तो (R) में कितने क्रमित युग्म होंगे?
If \(A=\{1,2,3,4\}\) and \(R=\{(x,y):x<y\}\), how many ordered pairs are in (R)?
Explanation opens after your attempt
Correct Answer
C. (6)
Concept
The pairs are ((1,2),(1,3),(1,4),(2,3),(2,4),(3,4)). For such questions, list pairs systematically using the condition.
Why this answer is correct
The correct answer is C. (6). The pairs are ((1,2),(1,3),(1,4),(2,3),(2,4),(3,4)). For such questions, list pairs systematically using the condition.
Exam Tip
युग्म हैं ((1,2),(1,3),(1,4),(2,3),(2,4),(3,4))। ऐसे प्रश्नों में शर्त के अनुसार युग्म व्यवस्थित लिखें।
Login to save your score, XP, coins and progress.