The impossible riddle. How many people are in the car?

She is the riddle that set the internet on fire and almost no one manages to give the right answer. Two sons, two fathers and a nephew are traveling in a car. How many people are on board?


“Five people are in the car,” said most of those who read riddles. They did the assembly. “Two sons plus two fathers plus a grandson.” But they hurried. The answer is… as wrong as possible.

The correct answer is not easy to find, but it is ultimately logical. Following the logical line, we can say that everyone is someone’s nephew and everyone is someone’s son. From this point on, the perspective begins to change.

We find out it’s about a grandson and two fathers. So two of those on board have a son.

Thus, we come to the conclusion that only three people travel in the car and not five, as most people answered. It is about an older man, his son and his son’s son. The two men are both fathers.

The mentioned grandson is a son for one of the men and a grandson, as presented, for the other.

Is difficult? Do we explain otherwise?

Therefore, one of the men is the grandfather of the one presented as a grandson and father to the other man, who, in turn, is the father… of his father’s nephew.

Thus, all three meet the criteria presented in the riddles.

Wrong answers to the riddle about the number of people in the car

“Five” was the most common answer. But, although at first glance it seems to be the right one, that answer does not take into account the kinship relations between those on board the car.

Many of those who read the riddle said “One,” explaining that any man is a grandson to someone. But not everyone is a father or a grandfather to someone. Only one answer indicated the number nine. He did not explain how he came to this result, but one thing is certain. The nine were liable to a fine. It’s about a car, though!

Source: Promotor by

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