Archive for the ‘mathematics’ Category
Friday, April 23rd, 2010
Let's say that you're playing a coin-tossing game, and you start with $1. You keep tossing forever, winning $1 if you toss heads, and losing $1 if you toss tails. What are the chances you'll eventually go bust (get to $0)? What are the chances you'll ...
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Friday, April 2nd, 2010
Let's say you drop a ball from the Leaning Tower of Pisa, which is 179 ft high, and it bounces back 10% of the dropped height - 17.9 ft. Then on the second bounce it bounces up 10% again - 1.79 ft, and so on for ever. How ...
Posted in mathematics, puzzles | No Comments »