\(यदि (U={x:x\in \mathbb{Z},0\le x\le 15}), (A={x:x\) 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
Correct Answer

C. (9)

Step 1

Concept

(9) is not prime and belongs to (U), so it is in (A'). Complement contains elements in (U) but not in (A).

Step 2

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).

Step 3

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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Mathematics Answer, Explanation and Revision Hints

\(यदि (U={x:x\in \mathbb{Z},0\le x\le 15}), (A={x:x\) 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')?

Correct Answer: C. (9). Explanation: (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। / (9) is not prime and belongs to (U), so it is in (A'). Complement contains elements in (U) but not in (A).

Which concept should I revise for this Mathematics MCQ?

(9) is not prime and belongs to (U), so it is in (A'). Complement contains elements in (U) but not in (A).

What exam hint can help solve this Mathematics question?

(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।