यदि (|A|=12), (|B|=18), (|C|=20), \(|A\cap B|=5\), \(|B\cap C|=7\), \(|C\cap A|=4\), \(|A\cap B\cap C|=2\), तो \(|A\cup B\cup C|\) क्या है?

If (|A|=12), (|B|=18), (|C|=20), \(|A\cap B|=5\), \(|B\cap C|=7\), \(|C\cap A|=4\), \(|A\cap B\cap C|=2\), what is \(|A\cup B\cup C|\)?

Explanation opens after your attempt
Correct Answer

A. (36)

Step 1

Concept

Here \(|A\cup B\cup C|=12+18+20-5-7-4+2=36\). For three sets, remember to add the triple intersection at the end.

Step 2

Why this answer is correct

The correct answer is A. (36). Here \(|A\cup B\cup C|=12+18+20-5-7-4+2=36\). For three sets, remember to add the triple intersection at the end.

Step 3

Exam Tip

\(|A\cup B\cup C|=12+18+20-5-7-4+2=36\) है। तीन सेटों में अंतिम \(+|A\cap B\cap C|\) जोड़ना याद रखें।

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Mathematics Answer, Explanation and Revision Hints

यदि (|A|=12), (|B|=18), (|C|=20), \(|A\cap B|=5\), \(|B\cap C|=7\), \(|C\cap A|=4\), \(|A\cap B\cap C|=2\), तो \(|A\cup B\cup C|\) क्या है? / If (|A|=12), (|B|=18), (|C|=20), \(|A\cap B|=5\), \(|B\cap C|=7\), \(|C\cap A|=4\), \(|A\cap B\cap C|=2\), what is \(|A\cup B\cup C|\)?

Correct Answer: A. (36). Explanation: \(|A\cup B\cup C|=12+18+20-5-7-4+2=36\) है। तीन सेटों में अंतिम \(+|A\cap B\cap C|\) जोड़ना याद रखें। / Here \(|A\cup B\cup C|=12+18+20-5-7-4+2=36\). For three sets, remember to add the triple intersection at the end.

Which concept should I revise for this Mathematics MCQ?

Here \(|A\cup B\cup C|=12+18+20-5-7-4+2=36\). For three sets, remember to add the triple intersection at the end.

What exam hint can help solve this Mathematics question?

\(|A\cup B\cup C|=12+18+20-5-7-4+2=36\) है। तीन सेटों में अंतिम \(+|A\cap B\cap C|\) जोड़ना याद रखें।