alleryसंच A आणि B च्या परस्परांना छेदणाऱ्या वर्तुळांमध्ये फक्त A मध्ये 12, दोन्हीमध्ये 8 आणि फक्त B मध्ये 5 घटक आहेत. संयोग संच किती आहे?
A20
B30
C15
D25
Answer & Solution
Correct answer: D. 25
तिन्ही भागांची बेरीज केल्यास 12 + 8 + 5 = 25 सदस्य मिळतात.
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