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Breaking the Billiard Ball

Logic puzzles require you to think. You will have to be logical in your reasoning.


Puzzle ID:#8878
Fun:*** (2.81)
Difficulty:*** (2.91)
Submitted By:lesternoronha1****
Corrected By:phrebh




It is your task to determine how high you can drop a billiard ball without it breaking. There is a 100 story building and you must determine which is the highest floor you can drop a ball from without it breaking. You have only two billiard balls to use as test objects. If both of them break before you determine the answer then you have failed at your task. What is the order of floors that you should drop the balls from to minimize the number of droppings that you will have to make to determine the answer?

Assume that if a ball doesn't break you can reuse it without worrying about it being weakened.

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