Ants on Triangle

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?




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What does this mean?

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Queen Elizabeth organised a royal party.

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Jack thought is enough and he walked to the entry point. The security person said 'eight' , Jack replied smilingly 'four'.
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No Solution

In 2007, a puzzle was released and $2 million prizes were offered for the first complete solution. The competition ended at noon on 31 December 2010, with no solution being found. Wiki