Riddle: Trains travel from one town to another town all day, always on the same track, always going nonstop and at the same speed. The noon train took 80 minutes to complete the trip, but the 4 PM train took 1 hour and 20 minutes. Why?
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Riddle: A clock chimes 5 times in 4 seconds. How many times will it chime in 10 seconds?
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