No One Can Solve This Difficult Problem From A 1985 IQ Test

We gave this difficult problem from a 1985 IQ test to 280 American college students and no one was able to solve it. Can you?

Terry Stein
Created by Terry Stein
On Mar 27, 2019
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YOU NAILED IT!

YOU NAILED IT!

Genius, you got it right!

We gave this difficult problem from a 1985 IQ test to 280 American college students and no one was able to solve it. 

Explanation:

A man is looking at a photograph of someone. His friend asks who it is. The man replies, "Brothers and sisters, I have none. But this man's father is my father's son."

Who is in the photograph? – The man's son.

Since he doesn’t have any brothers or sisters, the statement my father’s son is himself.

Think about it this way:

If the man’s father is myself, I am the father of the man in the picture. Therefore, he is my son. Got it?

WRONG!

WRONG!

You got it wrong!

Explanation:

A man is looking at a photograph of someone. His friend asks who it is. The man replies, "Brothers and sisters, I have none. But this man's father is my father's son."

Who is in the photograph? – The man's son.

Since he doesn’t have any brothers or sisters, the statement my father’s son is himself.

Think about it this way:

If the man’s father is myself, I am the father of the man in the picture. Therefore, he is my son. Got it?

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