यदि \(A=\{2,4,6\}\) और \(B=\{6,8,10\}\) है, तो \(A\cup B\) में कौन सा अवयव अवश्य होगा?
If \(A=\{2,4,6\}\) and \(B=\{6,8,10\}\), which element must belong to \(A\cup B\)?
Explanation opens after your attempt
B. (8)
Concept
(8) is in set (B), so it is also in \(A\cup B\). A union includes elements from either set.
Why this answer is correct
The correct answer is B. (8). (8) is in set (B), so it is also in \(A\cup B\). A union includes elements from either set.
Exam Tip
(8) समुच्चय (B) में है, इसलिए वह \(A\cup B\) में भी होगा। संघ में किसी भी एक समुच्चय का अवयव शामिल होता है।
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