यदि \(A=\{1,2,3,4\}\) और \(R=\{(a,b):a+b\le 5\}\), तो ((4,2)) के बारे में क्या सही है?

If \(A=\{1,2,3,4\}\) and \(R=\{(a,b):a+b\le 5\}\), what is correct about ((4,2))?

Explanation opens after your attempt
Correct Answer

A. \((4,2)\notin R\)

Step 1

Concept

Since (4+2=6) and \(6\le 5\) is false. Therefore \((4,2)\notin R\).

Step 2

Why this answer is correct

The correct answer is A. \((4,2)\notin R\). Since (4+2=6) and \(6\le 5\) is false. Therefore \((4,2)\notin R\).

Step 3

Exam Tip

क्योंकि (4+2=6) और \(6\le 5\) असत्य है। इसलिए \((4,2)\notin R\)।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(A=\{1,2,3,4\}\) और \(R=\{(a,b):a+b\le 5\}\), तो ((4,2)) के बारे में क्या सही है? / If \(A=\{1,2,3,4\}\) and \(R=\{(a,b):a+b\le 5\}\), what is correct about ((4,2))?

Correct Answer: A. \((4,2)\notin R\). Explanation: क्योंकि (4+2=6) और \(6\le 5\) असत्य है। इसलिए \((4,2)\notin R\)। / Since (4+2=6) and \(6\le 5\) is false. Therefore \((4,2)\notin R\).

Which concept should I revise for this Mathematics MCQ?

Since (4+2=6) and \(6\le 5\) is false. Therefore \((4,2)\notin R\).

What exam hint can help solve this Mathematics question?

क्योंकि (4+2=6) और \(6\le 5\) असत्य है। इसलिए \((4,2)\notin R\)।