Only Logic Geniuses Can Answer These 9 Classic Riddles!

From books, from presidents, and from mathematicians, these nine classic riddles are here to stump you! Test your knowledge and wit here!

Bruce Boyena
Created By Bruce Boyena
On Sep 29, 2017
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This riddle comes from ancient Sumeria, and is possibly the world's first:
"There is a house. One enters it blind and comes out seeing. What is it?"