यदि (|A|=30), (|B|=27), (|C|=25), \(|A\cap B|=12\), \(|B\cap C|=10\), \(|C\cap A|=8\), \(|A\cap B\cap C|=4\), तो \(|A\cup B\cup C|\) क्या है?

If (|A|=30), (|B|=27), (|C|=25), \(|A\cap B|=12\), \(|B\cap C|=10\), \(|C\cap A|=8\), \(|A\cap B\cap C|=4\), what is \(|A\cup B\cup C|\)?

Explanation opens after your attempt
Correct Answer

A. (56)

Step 1

Concept

Here \(|A\cup B\cup C|=30+27+25-12-10-8+4=56\). Do not forget to add the triple intersection in the three-set formula.

Step 2

Why this answer is correct

The correct answer is A. (56). Here \(|A\cup B\cup C|=30+27+25-12-10-8+4=56\). Do not forget to add the triple intersection in the three-set formula.

Step 3

Exam Tip

\(|A\cup B\cup C|=30+27+25-12-10-8+4=56\)। तीन सेटों के सूत्र में अंतिम प्रतिच्छेद जोड़ना न भूलें।

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Mathematics Answer, Explanation and Revision Hints

यदि (|A|=30), (|B|=27), (|C|=25), \(|A\cap B|=12\), \(|B\cap C|=10\), \(|C\cap A|=8\), \(|A\cap B\cap C|=4\), तो \(|A\cup B\cup C|\) क्या है? / If (|A|=30), (|B|=27), (|C|=25), \(|A\cap B|=12\), \(|B\cap C|=10\), \(|C\cap A|=8\), \(|A\cap B\cap C|=4\), what is \(|A\cup B\cup C|\)?

Correct Answer: A. (56). Explanation: \(|A\cup B\cup C|=30+27+25-12-10-8+4=56\)। तीन सेटों के सूत्र में अंतिम प्रतिच्छेद जोड़ना न भूलें। / Here \(|A\cup B\cup C|=30+27+25-12-10-8+4=56\). Do not forget to add the triple intersection in the three-set formula.

Which concept should I revise for this Mathematics MCQ?

Here \(|A\cup B\cup C|=30+27+25-12-10-8+4=56\). Do not forget to add the triple intersection in the three-set formula.

What exam hint can help solve this Mathematics question?

\(|A\cup B\cup C|=30+27+25-12-10-8+4=56\)। तीन सेटों के सूत्र में अंतिम प्रतिच्छेद जोड़ना न भूलें।