समुच्चय \(A=\{1,2,3,4,5\}\) पर (aRb) यदि (a) विभाजित करता है (b) को तो कौन सा युग्म (R) में नहीं है?
On \(A=\{1,2,3,4,5\}\), (aRb) if (a) divides (b). Which pair is not in (R)?
Explanation opens after your attempt
D. \((4,2)\)
Concept
The number (4) does not divide (2), so \((4,2)\notin R\). In divisibility, treat the first element as the divisor.
Why this answer is correct
The correct answer is D. \((4,2)\). The number (4) does not divide (2), so \((4,2)\notin R\). In divisibility, treat the first element as the divisor.
Exam Tip
(4) संख्या (2) को विभाजित नहीं करती इसलिए \((4,2)\notin R\) है। विभाज्यता में पहले अवयव को भाजक मानें।
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