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
Correct Answer

C. (4)

Step 1

Concept

The pairs are ((1,4),(2,3),(3,2),(4,1)). The total number is (4).

Step 2

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).

Step 3

Exam Tip

युग्म ((1,4),(2,3),(3,2),(4,1)) मिलते हैं। कुल संख्या (4) है।

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Mathematics Answer, Explanation and Revision Hints

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)?

Correct Answer: C. (4). Explanation: युग्म ((1,4),(2,3),(3,2),(4,1)) मिलते हैं। कुल संख्या (4) है। / The pairs are ((1,4),(2,3),(3,2),(4,1)). The total number is (4).

Which concept should I revise for this Mathematics MCQ?

The pairs are ((1,4),(2,3),(3,2),(4,1)). The total number is (4).

What exam hint can help solve this Mathematics question?

युग्म ((1,4),(2,3),(3,2),(4,1)) मिलते हैं। कुल संख्या (4) है।