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# Combi-natrics-4

How many subsets $$A$$ of $$\{1,2,3,...,100\}$$ have the property that no subset of $$A$$ sum to $$101?$$

Note by Ayush Rai
6 months, 3 weeks ago

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1023, not including the empty set. · 6 months, 2 weeks ago

I have edited the question now.Try it and also the other two parts of Combi-natrics. · 6 months ago

I wouldn't consider the empty set a subset. · 6 months, 1 week ago

So the answer is 1024. · 6 months, 1 week ago

1024 · 6 months, 2 weeks ago

I have edited the question.Try it and also the other two parts of combinatrics. · 6 months ago

i think you right.$$2^{10}=1024.$$somewhat like that? · 6 months, 1 week ago