यदि \(A=\{10,20,30,40\}\), \(B=\{20,50\}\) और \(C=\{30,60\}\) हैं, तो (A-\(B\cup C\)) क्या है?

If \(A=\{10,20,30,40\}\), \(B=\{20,50\}\), and \(C=\{30,60\}\), what is (A-\(B\cup C\))?

Explanation opens after your attempt
Correct Answer

A. ( {10,40} )

Step 1

Concept

\(B\cup C={20,30,50,60}\). Removing (20) and (30) from (A) leaves ({10,40}).

Step 2

Why this answer is correct

The correct answer is A. ( {10,40} ). \(B\cup C={20,30,50,60}\). Removing (20) and (30) from (A) leaves ({10,40}).

Step 3

Exam Tip

\(B\cup C={20,30,50,60}\) है। (A) से (20) और (30) हटाने पर ({10,40}) बचता है।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A=\{10,20,30,40\}\), \(B=\{20,50\}\) और \(C=\{30,60\}\) हैं, तो (A-\(B\cup C\)) क्या है? / If \(A=\{10,20,30,40\}\), \(B=\{20,50\}\), and \(C=\{30,60\}\), what is (A-\(B\cup C\))?

Correct Answer: A. ( {10,40} ). Explanation: \(B\cup C={20,30,50,60}\) है। (A) से (20) और (30) हटाने पर ({10,40}) बचता है। / \(B\cup C={20,30,50,60}\). Removing (20) and (30) from (A) leaves ({10,40}).

Which concept should I revise for this Mathematics MCQ?

\(B\cup C={20,30,50,60}\). Removing (20) and (30) from (A) leaves ({10,40}).

What exam hint can help solve this Mathematics question?

\(B\cup C={20,30,50,60}\) है। (A) से (20) और (30) हटाने पर ({10,40}) बचता है।