alleryसमुच्चय A में 15 सदस्य हैं और यह पूरी तरह से समुच्चय B के अंदर स्थित है, जिसमें 25 सदस्य हैं। A या B में कुल कितने सदस्य हैं?
A40
B15
C25
D10
Answer & Solution
Correct answer: C. 25
A का प्रत्येक सदस्य पहले से ही B में शामिल है, इसलिए सम्मिलन (यूनियन) सीधे B के 25 सदस्य ही हैं।
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