alleryसमुच्चय A में 48 सदस्य हैं और उनमें से 18 सदस्य B में भी हैं। कितने सदस्य A में हैं लेकिन B में नहीं हैं?
A30
B66
C18
D48
Answer & Solution
Correct answer: A. 30
केवल A में उपस्थित सदस्य = 48 - 18 = 30।
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