यदि \((x,y)\in {9,10}\times{4}\) है, तो (y) का मान क्या होगा?
If \((x,y)\in {9,10}\times{4}\), what is the value of (y)?
Explanation opens after your attempt
C. (4)
Concept
The second component comes from the second set ({4}), so (y=4). Find the answer by checking the component position.
Why this answer is correct
The correct answer is C. (4). The second component comes from the second set ({4}), so (y=4). Find the answer by checking the component position.
Exam Tip
दूसरा घटक दूसरे समुच्चय ({4}) से आता है, इसलिए (y=4)। घटक की स्थिति देखकर उत्तर निकालें।
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