यदि (n(B)=27) और (n\(A\cap B\)=11), तो केवल (B) में कितने अवयव होंगे?
If (n(B)=27) and (n\(A\cap B\)=11), how many elements will be only in (B)?
Explanation opens after your attempt
B. (16)
Concept
The number only in (B) is (27-11=16). In the Venn diagram, subtract the middle part from circle (B).
Why this answer is correct
The correct answer is B. (16). The number only in (B) is (27-11=16). In the Venn diagram, subtract the middle part from circle (B).
Exam Tip
केवल (B) की संख्या (27-11=16) है। वेन आरेख में (B) वृत्त से बीच वाला भाग घटाएं।
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