You are standing in front of 2 doors guarded by 2 knights. One of the doors leads to misfortune while the other leads to fortune. The one leading to misfortune is guarded by a knight who always tells lies while the one leading to fortune is guarded by the knight who always says the truth. What question can you ask these knights inorder to know which to go through?
Suppose there is only one saloon in your town, and it employs two saloonists. One of the saloonists has a nice, neatly hairdo. The other’s hair is a complete mess. Which of the two saloonists should you go to and why?