\(यदि (R={(x,y):x+y\) is even\(}) है और (x=1), (y=3) हैं, तो ( (1,3) ) के बारे में सही क्या है\)?

\(If (R={(x,y):x+y\) is even\(}) and (x=1), (y=3), what is true about ( (1,3) )\)?

Explanation opens after your attempt
Correct Answer

A. \((1,3)\in R\)

Step 1

Concept

Since (1+3=4) is even, \((1,3)\in R\). Substitute the values in the condition to decide.

Step 2

Why this answer is correct

The correct answer is A. \((1,3)\in R\). Since (1+3=4) is even, \((1,3)\in R\). Substitute the values in the condition to decide.

Step 3

Exam Tip

(1+3=4) सम है, इसलिए \((1,3)\in R\) है। condition में मान रखकर निर्णय लें।

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Mathematics Answer, Explanation and Revision Hints

\(यदि (R={(x,y):x+y\) is even}) है और (x=1), (y=3) हैं, तो ( (1,3) ) के बारे में सही क्या है? \(/ If (R={(x,y):x+y\) is even\(}) and (x=1), (y=3), what is true about ( (1,3) )\)?

Correct Answer: A. \((1,3)\in R\). Explanation: (1+3=4) सम है, इसलिए \((1,3)\in R\) है। condition में मान रखकर निर्णय लें। / Since (1+3=4) is even, \((1,3)\in R\). Substitute the values in the condition to decide.

Which concept should I revise for this Mathematics MCQ?

Since (1+3=4) is even, \((1,3)\in R\). Substitute the values in the condition to decide.

What exam hint can help solve this Mathematics question?

(1+3=4) सम है, इसलिए \((1,3)\in R\) है। condition में मान रखकर निर्णय लें।