यदि (n(U)=160) और (n\(A\cup B\cup C\)=127) है, तो किसी भी समुच्चय में नहीं आने वाले तत्व कितने हैं?
If (n(U)=160) and (n\(A\cup B\cup C\)=127), how many elements are in none of the sets?
Explanation opens after your attempt
C. (33)
Concept
None is (160-127=33). The outside region is found by subtracting the union from (U).
Why this answer is correct
The correct answer is C. (33). None is (160-127=33). The outside region is found by subtracting the union from (U).
Exam Tip
किसी में नहीं (160-127=33) है। बाहर का क्षेत्र (U) से संघ घटाकर मिलता है।
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