alleryएक हॉल में उपस्थित प्रत्येक व्यक्ति क्रिकेट या टेनिस पसंद करता है। 70 प्रतिशत क्रिकेट पसंद करते हैं और 55 प्रतिशत टेनिस पसंद करते हैं। कितने प्रतिशत दोनों पसंद करते हैं?
A15
B20
C30
D25
Answer & Solution
Correct answer: D. 25
उभयनिष्ठ (ओवरलैप) भाग 70 + 55 - 100 = 25 प्रतिशत है, क्योंकि पूरा हॉल ही इनका सम्मिलन (यूनियन) है।
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