Anexploreriscapturedbyagroupofcannibals.thereare two types of cannibals—those who always tell the truth and those who always lie. the cannibals will barbecue the explorer unless he can determine whether a particular cannibal always lies or always tells the truth. he is allowed to ask the cannibal exactly one question.

Respuesta :

Ask them 'If I asked you if you are a liar, would you say yes?'. The honest would say no. The liar would say yes due to double negotation!