यदि (n(B)=14) और (n\(A\cap B\)=5), तो केवल (B) में कितने अवयव होंगे?

If (n(B)=14) and (n\(A\cap B\)=5), how many elements are only in (B)?

Explanation opens after your attempt
Correct Answer

B. (9)

Step 1

Concept

The number only in (B) is (14-5=9). In the Venn diagram, subtract the middle part from (B).

Step 2

Why this answer is correct

The correct answer is B. (9). The number only in (B) is (14-5=9). In the Venn diagram, subtract the middle part from (B).

Step 3

Exam Tip

केवल (B) की संख्या (14-5=9) होगी। वेन आरेख में (B) से बीच वाला भाग घटाएं।

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Mathematics Answer, Explanation and Revision Hints

यदि (n(B)=14) और (n\(A\cap B\)=5), तो केवल (B) में कितने अवयव होंगे? / If (n(B)=14) and (n\(A\cap B\)=5), how many elements are only in (B)?

Correct Answer: B. (9). Explanation: केवल (B) की संख्या (14-5=9) होगी। वेन आरेख में (B) से बीच वाला भाग घटाएं। / The number only in (B) is (14-5=9). In the Venn diagram, subtract the middle part from (B).

Which concept should I revise for this Mathematics MCQ?

The number only in (B) is (14-5=9). In the Venn diagram, subtract the middle part from (B).

What exam hint can help solve this Mathematics question?

केवल (B) की संख्या (14-5=9) होगी। वेन आरेख में (B) से बीच वाला भाग घटाएं।