If 5 machines can make 5 widgets in 5 minutes, how long would it take 100 machines to make 100 widgets?
5 minutes
If 5 machines take 5 minutes to make 5 widgets, each individual machine makes 1 widget in 5 minutes. Therefore, 100 machines working simultaneously can make 100 widgets in 5 minutes.
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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