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Search options not deleted user 16719

A puzzle that involves numerical calculations, such as multiplication and addition. Use with the [mathematics] tag.

6 votes
2 answers
671 views

A puzzle about flies and trains

So I have a website with some job interview type questions on it. Yesterday I pulled a question out the depths of my memory: A train enters a station at 50m/s where it starts to decelerate uniformly, …
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