यदि (\(A\cup B\)'=\varnothing) और \(A\cap B=\varnothing\), तो (B) किसके बराबर होगा?

If (\(A\cup B\)'=\varnothing) and \(A\cap B=\varnothing\), then (B) is equal to what?

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Correct Answer

B. (A')

Step 1

Concept

The first condition gives \(A\cup B=U\), and the second says they are disjoint. Therefore (B) is exactly (A').

Step 2

Why this answer is correct

The correct answer is B. (A'). The first condition gives \(A\cup B=U\), and the second says they are disjoint. Therefore (B) is exactly (A').

Step 3

Exam Tip

पहली शर्त से \(A\cup B=U\) और दूसरी से दोनों असंयुक्त हैं। इसलिए (B) ठीक (A') है।

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Mathematics Answer, Explanation and Revision Hints

यदि (\(A\cup B\)'=\varnothing) और \(A\cap B=\varnothing\), तो (B) किसके बराबर होगा? / If (\(A\cup B\)'=\varnothing) and \(A\cap B=\varnothing\), then (B) is equal to what?

Correct Answer: B. (A'). Explanation: पहली शर्त से \(A\cup B=U\) और दूसरी से दोनों असंयुक्त हैं। इसलिए (B) ठीक (A') है। / The first condition gives \(A\cup B=U\), and the second says they are disjoint. Therefore (B) is exactly (A').

Which concept should I revise for this Mathematics MCQ?

The first condition gives \(A\cup B=U\), and the second says they are disjoint. Therefore (B) is exactly (A').

What exam hint can help solve this Mathematics question?

पहली शर्त से \(A\cup B=U\) और दूसरी से दोनों असंयुक्त हैं। इसलिए (B) ठीक (A') है।