alleryएक पुस्तकालय में 90 सदस्य हैं। 55 सदस्य फिक्शन (काल्पनिक साहित्य) लेते हैं, 48 विज्ञान लेते हैं और 13 इनमें से कोई भी नहीं लेते हैं। दोनों प्रकार की पुस्तकें लेने वाले सदस्यों की संख्या कितनी है?
A22
B30
C26
D34
Answer & Solution
Correct answer: C. 26
कम से कम एक प्रकार की पुस्तक लेने वाले सदस्य = 77, इसलिए दोनों पुस्तकें लेने वाले सदस्य = 55 + 48 - 77 = 26।
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