यदि (n(U)=90), (n(A)=58), (n(B)=49) है, तो (n\(A\cap B\)) का न्यूनतम संभव मान कितना है?

If (n(U)=90), (n(A)=58), (n(B)=49), then what is the minimum possible value of (n\(A\cap B\))?

Explanation opens after your attempt
Correct Answer

A. (17)

Step 1

Concept

The minimum intersection is (58+49-90=17). If the sum exceeds (U), that much overlap is necessary.

Step 2

Why this answer is correct

The correct answer is A. (17). The minimum intersection is (58+49-90=17). If the sum exceeds (U), that much overlap is necessary.

Step 3

Exam Tip

न्यूनतम प्रतिच्छेद (58+49-90=17) है। योग (U) से अधिक हो तो उतना अतिव्यापन अनिवार्य है।

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Mathematics Answer, Explanation and Revision Hints

यदि (n(U)=90), (n(A)=58), (n(B)=49) है, तो (n\(A\cap B\)) का न्यूनतम संभव मान कितना है? / If (n(U)=90), (n(A)=58), (n(B)=49), then what is the minimum possible value of (n\(A\cap B\))?

Correct Answer: A. (17). Explanation: न्यूनतम प्रतिच्छेद (58+49-90=17) है। योग (U) से अधिक हो तो उतना अतिव्यापन अनिवार्य है। / The minimum intersection is (58+49-90=17). If the sum exceeds (U), that much overlap is necessary.

Which concept should I revise for this Mathematics MCQ?

The minimum intersection is (58+49-90=17). If the sum exceeds (U), that much overlap is necessary.

What exam hint can help solve this Mathematics question?

न्यूनतम प्रतिच्छेद (58+49-90=17) है। योग (U) से अधिक हो तो उतना अतिव्यापन अनिवार्य है।