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10 most difficult il­lu­sions riddles

A list of illusions related questions that are most often answered incorrectly
Optical illusions quiz
Which shape is larger?
A
B
None of them
Both are larger
Both shapes are the same, but the bottom one is placed more to the right. This is however difficult to notice. It is known as Jastrow Illusion.
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0
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0
Very interesting!
geometry riddles
Which continent is that?
North America
South America
Asia
Australia
This is Australia map, with north at the bottom side.
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Correct this question
3
Very interesting!
continents riddles
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Optical illusions quiz