यदि (n(U)=64), केवल (A) में (18), \(A\cap B\) में (12), और केवल (B) में (20) हैं, तो बाहर का क्षेत्र कितना है?

If (n(U)=64), only (A) has (18), \(A\cap B\) has (12), and only (B) has (20), what is the outside region?

Explanation opens after your attempt
Correct Answer

A. (14)

Step 1

Concept

The three known regions are (18+12+20=50). The outside region is (64-50=14).

Step 2

Why this answer is correct

The correct answer is A. (14). The three known regions are (18+12+20=50). The outside region is (64-50=14).

Step 3

Exam Tip

ज्ञात तीन क्षेत्र (18+12+20=50) हैं। बाहर का क्षेत्र (64-50=14) है।

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Mathematics Answer, Explanation and Revision Hints

यदि (n(U)=64), केवल (A) में (18), \(A\cap B\) में (12), और केवल (B) में (20) हैं, तो बाहर का क्षेत्र कितना है? / If (n(U)=64), only (A) has (18), \(A\cap B\) has (12), and only (B) has (20), what is the outside region?

Correct Answer: A. (14). Explanation: ज्ञात तीन क्षेत्र (18+12+20=50) हैं। बाहर का क्षेत्र (64-50=14) है। / The three known regions are (18+12+20=50). The outside region is (64-50=14).

Which concept should I revise for this Mathematics MCQ?

The three known regions are (18+12+20=50). The outside region is (64-50=14).

What exam hint can help solve this Mathematics question?

ज्ञात तीन क्षेत्र (18+12+20=50) हैं। बाहर का क्षेत्र (64-50=14) है।