\(यदि (U={1,2,3,\ldots,20}), (A={x:x\) अभाज्य है\(}) और (B={x:x\) विषम है\(}) है, तो (A^c\cap B) क्या होगा\)?
\(If (U={1,2,3,\ldots,20}), (A={x:x\) is prime\(}), and (B={x:x\) is odd\(}), what is (A^c\cap B)\)?
Explanation opens after your attempt
A. ({1,9,15})
Concept
\(A^c\cap B\) contains odd numbers that are not prime. (1), (9), and (15) satisfy this condition.
Why this answer is correct
The correct answer is A. ({1,9,15}). \(A^c\cap B\) contains odd numbers that are not prime. (1), (9), and (15) satisfy this condition.
Exam Tip
\(A^c\cap B\) में विषम लेकिन अभाज्य नहीं संख्याएं आएंगी। (1), (9) और (15) इस शर्त को पूरा करते हैं।
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