Posted: March 26th, 2017

A robbery took place in a small town and the thief jumped on a train to escape. There were 20 trains total at that station and only 5 were departing at that time.

A robbery took place in a small town and the thief jumped on a train to escape. There were 20 trains total at that station and only 5 were departing at that time. If two trains traveling at an equal speed and going an equal distance are both stopped by the police what is the likelihood that one of the trains holds the robber?