Mathematics Answer, Explanation and Revision Hints
समुच्चय \(A={x:x\) (12) से छोटी अभाज्य संख्याएँ हैं(}) में कितने तत्व हैं? / How many elements are in \(A={x:x\) is a prime number less than (12})?
Correct Answer: B. (5). Explanation: चरण 1: (12) से छोटी अभाज्य संख्याएँ (2,3,5,7,11) हैं। चरण 2: कुल (5) तत्व हैं इसलिए उत्तर (5) है। चरण 3: (1) को अभाज्य न मानें। / Step 1: Prime numbers less than (12) are (2,3,5,7,11). Step 2: There are (5) elements so the answer is (5). Step 3: Do not count (1) as a prime number.
Why is option B correct in this Mathematics MCQ?
कुल (5) तत्व हैं इसलिए उत्तर (5) है। / There are (5) elements so the answer is (5).
What should I remember for this Mathematics concept?
(1) को अभाज्य न मानें। / Do not count (1) as a prime number.
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