allery100 लोगों में से 65 हिंदी बोलते हैं, 55 अंग्रेजी बोलते हैं और 20 दोनों भाषाएं बोलते हैं। कितने लोग केवल हिंदी बोलते हैं?
A35
B50
C45
D40
Answer & Solution
Correct answer: C. 45
केवल हिंदी बोलने वाले वे लोग हैं जो उभयनिष्ठ (दोनों वाले) भाग के बाहर केवल हिंदी वाले वृत्त में हैं: 65 - 20 = 45।
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