Daily Archives: April 2, 2010

Puzzle – Leaning Tower of Pisa

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 – … Continue reading

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Puzzle – Break a stick to get a triangle

I read somewhere this is a Google interview question: Let’s say you drop a stick, breaking it randomly in 2 places, leaving you with 3 smaller sticks.   What’s the probability you can make a triangle out of the 3 resulting … Continue reading

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