यदि \(U=\{काला,सफेद,लाल,पीला\}\) और \(A=\{काला,पीला\}\) है तो (A') क्या है?

If \(U=\{black,white,red,yellow\}\) and \(A=\{black,yellow\}\), what is (A')?

Explanation opens after your attempt
Correct Answer

B. ({सफेद,लाल})({white,red})

Step 1

Concept

After removing the colors of (A), white and red remain in (U). Hence (A'={white,red}).

Step 2

Why this answer is correct

The correct answer is B. ({सफेद,लाल}) / ({white,red}). After removing the colors of (A), white and red remain in (U). Hence (A'={white,red}).

Step 3

Exam Tip

(A) के रंग हटाने पर (U) में सफेद और लाल बचते हैं। इसलिए (A'={सफेद,लाल}) है।

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Mathematics Answer, Explanation and Revision Hints

यदि \(U=\{काला,सफेद,लाल,पीला\}\) और \(A=\{काला,पीला\}\) है तो (A') क्या है? / If \(U=\{black,white,red,yellow\}\) and \(A=\{black,yellow\}\), what is (A')?

Correct Answer: B. ({सफेद,लाल}) / ({white,red}). Explanation: (A) के रंग हटाने पर (U) में सफेद और लाल बचते हैं। इसलिए (A'={सफेद,लाल}) है। / After removing the colors of (A), white and red remain in (U). Hence (A'={white,red}).

Which concept should I revise for this Mathematics MCQ?

After removing the colors of (A), white and red remain in (U). Hence (A'={white,red}).

What exam hint can help solve this Mathematics question?

(A) के रंग हटाने पर (U) में सफेद और लाल बचते हैं। इसलिए (A'={सफेद,लाल}) है।