Riddle: So you are driving your car and you are trying to go to town. You come to a fork in the road. There are 2 men standing on both sides of the fork. You know one always lies and one always tells the truth. But, you don't know which is which. So what is the one question you would ask them to help you get to the town?[you ask one question in total to both guys. so you get two answers]
Answer: If you were the other guy, which way would you say the town is?
lier would say lie and point the wrong way instead of the right way.
truthful man would point the wrong way.
so you know it is the other way