A clock strikes 6 times in 5 seconds. How many seconds does it take for the same clock to strike 12 times?
11 seconds
The clock strikes create intervals between them. Striking 6 times produces 5 intervals, which takes 5 seconds (1 second per interval). Striking 12 times produces 11 intervals, which takes 11 seconds.
About this riddle
Logic riddles give you a few facts and ask what must be true. List what you know, cross out what cannot be, and see what is left.
Difficulty: Medium. More like this: Logic riddles with answers or try Einstein's Logic Grid for a different kind of puzzle.
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