Puzzle: How fast are the trains?

3 05 2010

Two trains start at the same time, one from London to Liverpool, the other from Liverpool to Lon­don. If they arrive at their destinations one hour and four hours respectively after passing one anoth­er, how much faster is one train running than the other?

If you can solve this tricky puzzle explain your answer in the comments section below!

This puzzle was taken from “Amusements in Mathematics” by Henry Ernest Dudeny.

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