यदि \(R=\{(x,y):x,y\in {1,2,3,4},\ x+y=5\}\), तो (R) में कितने ordered pairs हैं?
If \(R=\{(x,y):x,y\in {1,2,3,4},\ x+y=5\}\), how many ordered pairs are in (R)?
Explanation opens after your attempt
C. (4)
Concept
The pairs are ((1,4),(2,3),(3,2),(4,1)). The total number is (4).
Why this answer is correct
The correct answer is C. (4). The pairs are ((1,4),(2,3),(3,2),(4,1)). The total number is (4).
Exam Tip
युग्म ((1,4),(2,3),(3,2),(4,1)) मिलते हैं। कुल संख्या (4) है।
Login to save your score, XP, coins and progress.
