June 6, 2018
Problem of the Week
June 6, 2018
There are knights and knaves living on an island. The knights always tell the truth and the knaves always lie. A traveler met three islanders and asked each of them: "How many of the other two islanders are knights?" The first one said: "None." The second one said: "One." What did the third one say and what is the identity of each of the islanders?