\(समुच्चय (A={x:x\) is a prime number less than 10}) कौन सा है?
\(Which set is (A={x:x\) is a prime number less than 10})?
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Correct Answer
B. ({2,3,5,7})
Concept
(10) से छोटी अभाज्य संख्याएँ खोजें। / Find the prime numbers less than (10).
Why this answer is correct
(2,3,5,7) ही ऐसी संख्याएँ हैं। / (2,3,5,7) are the required numbers.
Exam Tip
(1) को अभाज्य संख्या न मानें। / Do not treat (1) as a prime number.
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