यदि \(U=\{1,2,3,4,5\}\) और (A'={4,5}) है तो (A) क्या हो सकता है?

If \(U=\{1,2,3,4,5\}\) and (A'={4,5}), what can (A) be?

Explanation opens after your attempt
Correct Answer

A. ({1,2,3})

Step 1

Concept

If the complement is (4,5), then (A) contains the remaining elements of (U). So \(A=\{1,2,3\}\).

Step 2

Why this answer is correct

The correct answer is A. ({1,2,3}). If the complement is (4,5), then (A) contains the remaining elements of (U). So \(A=\{1,2,3\}\).

Step 3

Exam Tip

यदि पूरक (4,5) है तो (A) में (U) के बाकी तत्व होंगे। इसलिए \(A=\{1,2,3\}\) है।

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Mathematics Answer, Explanation and Revision Hints

यदि \(U=\{1,2,3,4,5\}\) और (A'={4,5}) है तो (A) क्या हो सकता है? / If \(U=\{1,2,3,4,5\}\) and (A'={4,5}), what can (A) be?

Correct Answer: A. ({1,2,3}). Explanation: यदि पूरक (4,5) है तो (A) में (U) के बाकी तत्व होंगे। इसलिए \(A=\{1,2,3\}\) है। / If the complement is (4,5), then (A) contains the remaining elements of (U). So \(A=\{1,2,3\}\).

Which concept should I revise for this Mathematics MCQ?

If the complement is (4,5), then (A) contains the remaining elements of (U). So \(A=\{1,2,3\}\).

What exam hint can help solve this Mathematics question?

यदि पूरक (4,5) है तो (A) में (U) के बाकी तत्व होंगे। इसलिए \(A=\{1,2,3\}\) है।