alleryसमुच्चय A में 30 सदस्य हैं, समुच्चय B में 25 सदस्य हैं और पूरे समूह में 40 सदस्य हैं। न्यूनतम संभव अतिव्यापन (उभयनिष्ठ संख्या) क्या है?
A0
B10
C5
D15
Answer & Solution
Correct answer: D. 15
सम्मिलन 40 से अधिक नहीं हो सकता, इसलिए अतिव्यापन (उभयनिष्ठ भाग) कम से कम 30 + 25 - 40 = 15 है।
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