यदि (A) सम अभाज्य प्राकृतिक संख्याओं का समुच्चय है, तो (A) किसके समान है?

If (A) is the set of even prime natural numbers, then (A) is equal to which set?

Explanation opens after your attempt
Correct Answer

A. ({2})

Step 1

Concept

Only (2) is both even and prime.

Step 2

Why this answer is correct

\(4,6,8,\ldots\) are even but not prime.

Step 3

Exam Tip

When two conditions are given, check both together. चरण 1: केवल (2) ही सम और अभाज्य दोनों है। चरण 2: \(4,6,8,\ldots\) सम हैं पर अभाज्य नहीं। चरण 3: दो शर्तें हों तो दोनों को साथ-साथ जाँचें।

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Mathematics Answer, Explanation and Revision Hints

यदि (A) सम अभाज्य प्राकृतिक संख्याओं का समुच्चय है, तो (A) किसके समान है? / If (A) is the set of even prime natural numbers, then (A) is equal to which set?

Correct Answer: A. ({2}). Explanation: चरण 1: केवल (2) ही सम और अभाज्य दोनों है। चरण 2: \(4,6,8,\ldots\) सम हैं पर अभाज्य नहीं। चरण 3: दो शर्तें हों तो दोनों को साथ-साथ जाँचें। / Step 1: Only (2) is both even and prime. Step 2: \(4,6,8,\ldots\) are even but not prime. Step 3: When two conditions are given, check both together.

Which concept should I revise for this Mathematics MCQ?

Only (2) is both even and prime.

What exam hint can help solve this Mathematics question?

When two conditions are given, check both together. चरण 1: केवल (2) ही सम और अभाज्य दोनों है। चरण 2: \(4,6,8,\ldots\) सम हैं पर अभाज्य नहीं। चरण 3: दो शर्तें हों तो दोनों को साथ-साथ जाँचें।