Jumping Ball

During an experiment, a guy throws a bouncy ball from a 100 feet tall building. The ball has a specific characteristic. Every time it hits the ground, it bounces up halfway.

How many bounces do you think the ball will make before it comes to a stop ?




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What does it mean?

What does it mean?

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Crossword puzzles

In the 1920s, people feared that crossword puzzles would contribute to illiteracy.