यदि \(U={1,2,\ldots,36}\), (A) वर्ग संख्याओं का और (B) (3) के गुणजों का समुच्चय है, तो (n\(A\cap B\)) कितना है?
If \(U={1,2,\ldots,36}\), (A) is the set of square numbers and (B) is the set of multiples of (3), then what is (n\(A\cap B\))?
Explanation opens after your attempt
Correct Answer
A. (2)
Concept
Square numbers are (1,4,9,16,25,36), and the square multiples of (3) are (9,36). Therefore, the intersection has (2) elements.
Why this answer is correct
The correct answer is A. (2). Square numbers are (1,4,9,16,25,36), and the square multiples of (3) are (9,36). Therefore, the intersection has (2) elements.
Exam Tip
वर्ग संख्याएँ (1,4,9,16,25,36) हैं और (3) के गुणज वर्ग (9,36) हैं। इसलिए प्रतिच्छेद में (2) तत्व हैं।
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