A clock strikes 6 times in 5 seconds. How many seconds will it take for the same clock to strike 12 times?
11 seconds
There are 5 intervals between 6 strikes, meaning each interval takes 1 second (5 seconds / 5 intervals). 12 strikes have 11 intervals, which equals 11 seconds.
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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