Riddle:
Two friends who take the metro to their jobs from the same station arrive to the station uniformly randomly between 7 and 7:20 in the morning. They are willing to wait for one another for 5 minutes, after which they take a train whether together or alone. What is the probability of their meeting at the station?
Python Solution:
Riddle source:
https://www.cut-the-knot.org/Probability/GeometricProbabilities.shtml