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JEE MAIN - Mathematics Hindi (2022 - 26th July Evening Shift - No. 15)
माना $$A=\{1,2,3,4,5,6,7\}$$ तथा $$B=\{3,6,7,9\}$$ हैं । तो समुच्यय $$\{C \subseteq A: C \cap B \neq \phi\}$$ में अवयवों की संख्या है ____________
Answer
112
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