**Best Of Puzzles / Riddles of 2011**

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**Top Maths Riddle Of 2011**

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**Top Microsoft Puzzle Of 2011**

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**Top Civil Service Riddle Of 2011**

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Happy New Year

ReplyDeletehi how are you everybody? i have a problem

ReplyDeletewe have ABCD a square and we have four arcs which his center A and B and C and D

could you find the area (intersection of the arcs)

thank you everyone