यदि \(A=\{2,3,5,7\}\) और \(B=\{5,7,11,13\}\), तो \(A\cup B\) में कितने अवयव हैं?
If \(A=\{2,3,5,7\}\) and \(B=\{5,7,11,13\}\), how many elements are in \(A\cup B\)?
Explanation opens after your attempt
B. (6)
Concept
\(A\cup B={2,3,5,7,11,13}\). Therefore it has (6) elements.
Why this answer is correct
The correct answer is B. (6). \(A\cup B={2,3,5,7,11,13}\). Therefore it has (6) elements.
Exam Tip
\(A\cup B={2,3,5,7,11,13}\) है। इसलिए इसमें (6) अवयव हैं।
Login to save your score, XP, coins and progress.
