यदि \(A=\{red,blue,green\}\) और \(B=\{blue,yellow\}\) हैं, तो (A-B) क्या है?

If \(A=\{red,blue,green\}\) and \(B=\{blue,yellow\}\), what is (A-B)?

Explanation opens after your attempt
Correct Answer

A. ( {red,green} )

Step 1

Concept

The common element (blue) is removed from (A). Therefore (A-B={red,green}).

Step 2

Why this answer is correct

The correct answer is A. ( {red,green} ). The common element (blue) is removed from (A). Therefore (A-B={red,green}).

Step 3

Exam Tip

(A) से (B) का सामान्य अवयव (blue) हटेगा। इसलिए (A-B={red,green}) है।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A=\{red,blue,green\}\) और \(B=\{blue,yellow\}\) हैं, तो (A-B) क्या है? / If \(A=\{red,blue,green\}\) and \(B=\{blue,yellow\}\), what is (A-B)?

Correct Answer: A. ( {red,green} ). Explanation: (A) से (B) का सामान्य अवयव (blue) हटेगा। इसलिए (A-B={red,green}) है। / The common element (blue) is removed from (A). Therefore (A-B={red,green}).

Which concept should I revise for this Mathematics MCQ?

The common element (blue) is removed from (A). Therefore (A-B={red,green}).

What exam hint can help solve this Mathematics question?

(A) से (B) का सामान्य अवयव (blue) हटेगा। इसलिए (A-B={red,green}) है।