Each ant can choose one of two directions, leading to a possibility of 2x2x2 = 8 choices. There are 2 possibilities for total avoidance, namely, they all choose clockwise, and they all choose counterclockwise. So the answer is 2/8 = 25%.

Ed

**From:** lavesh rawat <love19_foryou@...>

**Sent:** Mon, August 1, 2011 3:17:28 AM

**Subject:** [puzzles] [Popular Puzzles ] Ant Problem Probability Quiz

**Ant Problem Probability Quiz - 1 August**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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