alleryబయటి ప్రాంతంతో కలిపి, మూడు సమితుల పరస్పర ఖండన వృత్తాలు ఎన్ని ప్రాంతాలను కలిగి ఉండాలి?
A7
B8
C9
D6
Answer & Solution
Correct answer: B. 8
మూడు సమితులతో ప్రతి మూలకం ప్రతి సమితిలో ఉండవచ్చు లేదా ఉండకపోవచ్చు, కాబట్టి 2 x 2 x 2 = 8 ప్రాంతాలు.
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