alleryबाहरी क्षेत्र को छोड़कर, तीन समुच्चयों वाले एक वेन आरेख में वृत्तों के अंदर कितने क्षेत्र होते हैं?
A6
B8
C7
D9
Answer & Solution
Correct answer: C. 7
तीन समुच्चयों में कुल मिलाकर 8 क्षेत्र होते हैं; बाहरी क्षेत्र को हटाने पर वृत्तों के अंदर 7 क्षेत्र बचते हैं।
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