\(यदि (U={x:x\in \mathbb{Z},0\le x\le 15}), (A={x:x\) अभाज्य है}), तो (A') में कौन सा अवयव अवश्य होगा?
\(If (U={x:x\in \mathbb{Z},0\le x\le 15}), (A={x:x\) is prime}), which element must be in (A')?
Explanation opens after your attempt
C. (9)
Concept
(9) is not prime and belongs to (U), so it is in (A'). Complement contains elements in (U) but not in (A).
Why this answer is correct
The correct answer is C. (9). (9) is not prime and belongs to (U), so it is in (A'). Complement contains elements in (U) but not in (A).
Exam Tip
(9) अभाज्य नहीं है और (U) में है, इसलिए (A') में होगा। पूरक में वे अवयव आते हैं जो (U) में हों पर (A) में न हों।
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