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Coin on a Chessboard

Probability puzzles require you to weigh all the possibilities and pick the most likely outcome.

 

Puzzle ID:#5328
Fun:*** (2.4)
Difficulty:*** (2.62)
Category:Probability
Submitted By:cathalmccabe***
Corrected By:cnmne

 

 

 



If a chessboard is the size of 80cm, and you throw a coin onto it of diameter 2cm. The centre of the coin falls somewhere within the 64 squares. What is the probability that it lands fully on a white square?




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