यदि \(U=\{1,2,3,4,5,6,7,8\}\) और \(A=\{1,4,6,8\}\) है तो (A') में कितने तत्व (5) से छोटे हैं?
If \(U=\{1,2,3,4,5,6,7,8\}\) and \(A=\{1,4,6,8\}\), how many elements of (A') are less than (5)?
Explanation opens after your attempt
Correct Answer
B. (2)
Concept
(A'={2,3,5,7}). Among these, (2) and (3) are less than (5).
Why this answer is correct
The correct answer is B. (2). (A'={2,3,5,7}). Among these, (2) and (3) are less than (5).
Exam Tip
(A'={2,3,5,7}) है। इनमें (5) से छोटे (2) और (3) हैं।
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