A lateral thinking challenge
Not what you're looking for?
You are in a country where there are only liars and truthtellers, and they cannot be told apart by sight.
You set on a dangerous trip because there is a fork in the road that can lead to either a crocodile swamp (death) or to safety. When you reach the fork, the sign post is gone, but there are two men standing there. One is a liar and one is a truthteller. You cannot tell them apart.
You know that they will answer only one question between them. What question can you ask either of them that will tell you which road is safe?
Purchase this Solution
Solution Summary
A lateral thinking challenge is emphasized.
Solution Preview
Since we can only ask one question, we need to come up with a question that will result in the same answer no matter which one we ask.
What if we say, "If I asked the other guy which ...
Purchase this Solution
Free BrainMass Quizzes
Piaget's Theories on Development
Do you know all about Piaget's theories on development? Find out with this quiz!
Psychoanalysis and Sigmund Freud
This quiz explores the personality theory of psychoanalysis, in particular reference to how Freud conceptualized of this theory.
Motion Perception
This quiz will help students test their understanding of the differences between the types of motion perception, as well as the understanding of their underlying mechanisms.
Developmental Psychology
This quiz explores the concepts, theories and key terminology associated with human psychological development.
Perspectives of Psychology
A review of main theoretical perspectives and those most closely associated with them