You have a river that flows north and south. A man can swim to the north, but he always ends up back where he started. What could be the reason?
Category: Brain · Difficulty: hard
Hint: Think about the physical properties of water.
Answer
The current pushes him downstream
Explanation
A circular current can pull a swimmer back to their starting point, regardless of their direction.
This is a hard brain riddle — a tricky one that takes a little thought. The answer is The current pushes him downstream.
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