A train travels 60 miles in 1 hour. Then it travels another 60 miles in 2 hours. What was its average speed for the entire journey in miles per hour?
40
Average speed is total distance divided by total time. Total distance = 60 + 60 = 120 miles. Total time = 1 + 2 = 3 hours. 120 / 3 = 40 mph.
About this riddle
Math riddles hide a calculation inside a short story. Pull out the numbers, work out what is being asked, and watch for a trick such as a unit change.
Difficulty: Medium. More like this: Math riddles with answers or try Target 24 for a different kind of puzzle.
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