Only Those With A High IQ Can Pass This Optical Illusion Quiz
Are these lines parallel or sloping downwards?
Retry
Correct
Incorrect
The café wall illusion creates the illusion of sloped lines despite all the lines being parallel. The illusion occurs when the black and white tiles are of equal size, surrounded by grey lines, making them appear to slant diagonally.
Are these lines parallel or sloping downwards?
- The lines are sloping upwards
- Some lines are sloping upwards and others downwards
- The lines are sloping downwards
- The lines are parallel
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