समुच्चय \(A=\{1,2,3,4\}\) पर (aRb) तभी जब (a) संख्या (b) से छोटा या बराबर है। (R) में अधिकतम element कौन सा है?
On \(A=\{1,2,3,4\}\), (aRb) if and only if (a) is less than or equal to (b). Which is the greatest element in (R)?
Explanation opens after your attempt
Correct Answer
A. (4)
Concept
In the order \( \leq \), the greatest element is one that every element is less than or equal to. Here \(a\leq4\) for every \(a\in A\), so (4) is greatest.
Why this answer is correct
The correct answer is A. (4). In the order \( \leq \), the greatest element is one that every element is less than or equal to. Here \(a\leq4\) for every \(a\in A\), so (4) is greatest.
Exam Tip
Order \( \leq \) में greatest element वह है जिससे सभी elements छोटे या बराबर हों। यहाँ हर \(a\in A\) के लिए \(a\leq4\), इसलिए (4) greatest है।
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