alleryਸੈੱਟ A ਵਿੱਚ 30 ਮੈਂਬਰ ਹਨ, ਸੈੱਟ B ਵਿੱਚ 25 ਹਨ ਅਤੇ ਪੂਰੇ ਸਮੂਹ ਵਿੱਚ 40 ਹੈ। ਸਭ ਤੋਂ ਘੱਟ ਸੰਭਵ ਓਵਰਲੈਪ ਕੀ ਹੈ?
A0
B10
C5
D15
Answer & Solution
Correct answer: D. 15
ਯੂਨੀਅਨ 40 ਤੋਂ ਵੱਧ ਨਹੀਂ ਹੋ ਸਕਦੀ, ਇਸ ਲਈ ਓਵਰਲੈਪ ਘੱਟੋ-ਘੱਟ 30 + 25 - 40 = 15 ਹੈ।
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