यदि \(U={1,2,\ldots,36}\), (A) (6) के गुणजों का समुच्चय है, तो (A') में से (12) के गुणजों की संख्या कितनी है?
If \(U={1,2,\ldots,36}\) and (A) is the set of multiples of (6), how many multiples of (12) are in (A')?
Explanation opens after your attempt
Correct Answer
A. (0)
Concept
Every multiple of (12) is also a multiple of (6), so it lies in (A). Hence no multiple of (12) lies in (A').
Why this answer is correct
The correct answer is A. (0). Every multiple of (12) is also a multiple of (6), so it lies in (A). Hence no multiple of (12) lies in (A').
Exam Tip
हर (12) का गुणज (6) का भी गुणज होता है, इसलिए वह (A) में होगा। अतः (A') में (12) का कोई गुणज नहीं होगा।
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