यदि (|U|=150), (|A'|=92), (|B'|=76) और \(|A\cap B|=31\), तो (|\(A\cup B\)'|) कितना होगा?

If (|U|=150), (|A'|=92), (|B'|=76), and \(|A\cap B|=31\), what is (|\(A\cup B\)'|)?

Explanation opens after your attempt
Correct Answer

A. (49)

Step 1

Concept

(|A|=58) and (|B|=74), so \(|A\cup B|=58+74-31=101\). Hence (|\(A\cup B\)'|=150-101=49).

Step 2

Why this answer is correct

The correct answer is A. (49). (|A|=58) and (|B|=74), so \(|A\cup B|=58+74-31=101\). Hence (|\(A\cup B\)'|=150-101=49).

Step 3

Exam Tip

(|A|=58) और (|B|=74), इसलिए \(|A\cup B|=58+74-31=101\)। अतः (|\(A\cup B\)'|=150-101=49)।

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Mathematics Answer, Explanation and Revision Hints

यदि (|U|=150), (|A'|=92), (|B'|=76) और \(|A\cap B|=31\), तो (|\(A\cup B\)'|) कितना होगा? / If (|U|=150), (|A'|=92), (|B'|=76), and \(|A\cap B|=31\), what is (|\(A\cup B\)'|)?

Correct Answer: A. (49). Explanation: (|A|=58) और (|B|=74), इसलिए \(|A\cup B|=58+74-31=101\)। अतः (|\(A\cup B\)'|=150-101=49)। / (|A|=58) and (|B|=74), so \(|A\cup B|=58+74-31=101\). Hence (|\(A\cup B\)'|=150-101=49).

Which concept should I revise for this Mathematics MCQ?

(|A|=58) and (|B|=74), so \(|A\cup B|=58+74-31=101\). Hence (|\(A\cup B\)'|=150-101=49).

What exam hint can help solve this Mathematics question?

(|A|=58) और (|B|=74), इसलिए \(|A\cup B|=58+74-31=101\)। अतः (|\(A\cup B\)'|=150-101=49)।