Question 23
There are 2017 people standing in a line. Each always tells the truth or always lies. Each of the first 2016 people says, “The person after me always lies.” The last person, number 2017, says, “The person immediately before me always lies.” How many of them always lie?
Original printed choices: A) 1008; B) 1009; C) 0 or 2017; both are possible; D) 1008 or 2019; both are possible; E) This situation is impossible
Editorial task: Resolve the printed question, explain any source inconsistency, and distinguish the literal result from a corrected or intended interpretation.
Original printed choices: A) 1008; B) 1009; C) 0 or 2017; both are possible; D) 1008 or 2019; both are possible; E) This situation is impossible
Editorial task: Resolve the printed question, explain any source inconsistency, and distinguish the literal result from a corrected or intended interpretation.