alleryएक शहर में, 60 प्रतिशत लोग समाचार पत्र X पढ़ते हैं, 40 प्रतिशत लोग समाचार पत्र Y पढ़ते हैं और 20 प्रतिशत दोनों पढ़ते हैं। कितने प्रतिशत लोग दोनों में से कोई भी समाचार पत्र नहीं पढ़ते हैं?
A10
B20
C15
D25
Answer & Solution
Correct answer: B. 20
कम से कम एक समाचार पत्र पढ़ने वाले = 60 + 40 - 20 = 80 प्रतिशत, इसलिए दोनों में से कोई भी नहीं पढ़ने वाले 20 प्रतिशत हैं।
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