संच A मध्ये 48 घटक आहेत आणि त्यांपैकी 18 घटक B मध्येही आहेत. A मध्ये आहेत पण B मध्ये नाहीत असे किती घटक आहेत?
A30
B66
C18
D48
Answer & Solution
Correct answer: A. 30
केवळ A मधील घटक 48 - 18 = 30 आहेत.
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