यदि (n(B)=41) और (n\(A\cap B\)=17), तो केवल (B) में कितने अवयव होंगे?
If (n(B)=41) and (n\(A\cap B\)=17), how many elements will be only in (B)?
Explanation opens after your attempt
B. (24)
Concept
The number only in (B) is (41-17=24). Remove the middle common part from circle (B).
Why this answer is correct
The correct answer is B. (24). The number only in (B) is (41-17=24). Remove the middle common part from circle (B).
Exam Tip
केवल (B) की संख्या (41-17=24) है। (B) वृत्त के बीच वाले भाग को हटाएं।
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