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Riddle #3: Must draw a line!

Hello there, Here is a brain-wrecking riddle suggested to us by Pinaki Mondal, a

calendar 20.11.2012
reading-time 1 minutes

Riddle #1: a strange proof

Hi! Check out this diagram which proves that 64 equals 65! In the top drawing, the large

calendar 28.10.2012
reading-time 1 minutes

Your computer’s telepathy skills

The following is a mathematical trick about some of history's greatest

calendar 28.10.2012
reading-time 1 minutes