यदि (n(A)=44) और (n\(A\cap B\)=19) है, तो वेन आरेख में केवल (A) वाले तत्व कितने होंगे?
If (n(A)=44) and (n\(A\cap B\)=19), how many elements are only in (A) in the Venn diagram?
Explanation opens after your attempt
B. (25)
Concept
Only (A) is (44-19=25). Remember to subtract the common part from total (A).
Why this answer is correct
The correct answer is B. (25). Only (A) is (44-19=25). Remember to subtract the common part from total (A).
Exam Tip
केवल (A) का भाग (44-19=25) है। कुल (A) से साझा भाग घटाना याद रखें।
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