यदि (n\(A\cup B\cup C\)=162), ठीक एक समुच्चय में (73) और ठीक दो समुच्चयों में (56) तत्व हैं, तो (n\(A\cap B\cap C\)) कितना है?

If (n\(A\cup B\cup C\)=162), exactly one set has (73) elements and exactly two sets have (56) elements, then what is (n\(A\cap B\cap C\))?

Explanation opens after your attempt
Correct Answer

A. (33)

Step 1

Concept

The union equals exactly one plus exactly two plus all three, so all three is (162-73-56=33). Keep separate regions distinct in region-based questions.

Step 2

Why this answer is correct

The correct answer is A. (33). The union equals exactly one plus exactly two plus all three, so all three is (162-73-56=33). Keep separate regions distinct in region-based questions.

Step 3

Exam Tip

संघ (=) ठीक एक (+) ठीक दो (+) तीनों है, इसलिए तीनों (162-73-56=33) हैं। क्षेत्र आधारित प्रश्न में अलग भागों को अलग रखें।

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Mathematics Answer, Explanation and Revision Hints

यदि (n\(A\cup B\cup C\)=162), ठीक एक समुच्चय में (73) और ठीक दो समुच्चयों में (56) तत्व हैं, तो (n\(A\cap B\cap C\)) कितना है? / If (n\(A\cup B\cup C\)=162), exactly one set has (73) elements and exactly two sets have (56) elements, then what is (n\(A\cap B\cap C\))?

Correct Answer: A. (33). Explanation: संघ (=) ठीक एक (+) ठीक दो (+) तीनों है, इसलिए तीनों (162-73-56=33) हैं। क्षेत्र आधारित प्रश्न में अलग भागों को अलग रखें। / The union equals exactly one plus exactly two plus all three, so all three is (162-73-56=33). Keep separate regions distinct in region-based questions.

Which concept should I revise for this Mathematics MCQ?

The union equals exactly one plus exactly two plus all three, so all three is (162-73-56=33). Keep separate regions distinct in region-based questions.

What exam hint can help solve this Mathematics question?

संघ (=) ठीक एक (+) ठीक दो (+) तीनों है, इसलिए तीनों (162-73-56=33) हैं। क्षेत्र आधारित प्रश्न में अलग भागों को अलग रखें।