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27. In an arbitrary group of six people,which of the following situations isimpossible?(A) At least five of them know eachother and two of them do notknow each other,(B) At least four of them know eachother and three of them do not:know each other.(C) No three of them know eachother and no three of themunknown to each other.(D) No four of them are unknownto each other and there is aperson known to every other.Tiit natural number​

Answer»

A is the CORRECT ANSWER



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