\(यदि (U={1,2,3,4,5,6,7,8,9,10,11,12}) और (A={x:x\in U,x\) divides 12}) है, तो (A') क्या है?
\(If (U={1,2,3,4,5,6,7,8,9,10,11,12}) and (A={x:x\in U,x\) divides 12}), what is (A')?
Explanation opens after your attempt
A. (A'={5,7,8,9,10,11})
Concept
(A) contains the divisors (1,2,3,4,6,12) of (12), so the remaining elements are in (A'). First form (A) from the condition.
Why this answer is correct
The correct answer is A. (A'={5,7,8,9,10,11}). (A) contains the divisors (1,2,3,4,6,12) of (12), so the remaining elements are in (A'). First form (A) from the condition.
Exam Tip
(A) में (12) के भाजक (1,2,3,4,6,12) हैं, इसलिए बाकी अवयव (A') में आते हैं। पहले शर्त से (A) बनाएं।
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