यदि \(A=\{1,2\}\), \(B=\{2,3\}\) और \(C=\{3,4\}\) हैं, तो (\(A\cup B\)\cap C) क्या है?
If \(A=\{1,2\}\), \(B=\{2,3\}\), and \(C=\{3,4\}\), what is (\(A\cup B\)\cap C)?
Explanation opens after your attempt
Correct Answer
A. ( {3} )
Concept
\(A\cup B={1,2,3}\) and its common part with (C) is (3). Order is very important in mixed operations.
Why this answer is correct
The correct answer is A. ( {3} ). \(A\cup B={1,2,3}\) and its common part with (C) is (3). Order is very important in mixed operations.
Exam Tip
\(A\cup B={1,2,3}\) और इसका (C) से सामान्य भाग (3) है। मिश्रित क्रियाओं में क्रम बहुत महत्वपूर्ण है।
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