Stumpers

Probability: Catch the train !

A man arrives to a train station between 9:55 and 10:05 every morning and the train leaves the station between 10:00 and 10:10. What is t...

Now, this one's a really interesting puzzle. Players A and B each have a well shuffled standard pack of 52 cards. The players deal th...

Three co-workers would like to know their average salary. However, they don’t want to tell each other their own salaries, for fear of eithe...

After so many mathematics and game theory puzzles, I've finally got some good physics puzzle to solve! I must say, although the world s...