Two fathers and two sons went on a fishing trip. Each person caught exactly one fish, yet they brought home only three fish in total. How is this possible?
The group consists of three people: a grandfather, a father, and a son.
The grandfather is a father, the father is both a son and a father, and the son is a son. This creates 'two fathers' (grandfather and father) and 'two sons' (father and son) using only three individuals.
About this riddle
Logic riddles give you a few facts and ask what must be true. List what you know, cross out what cannot be, and see what is left.
Difficulty: Easy. More like this: Logic riddles with answers or try Einstein's Logic Grid for a different kind of puzzle.
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