A doctor gives you three pills and tells you to take one pill every half hour. Exactly how long will it take you to finish taking all the pills?
1 hour
You take the first pill immediately at hour 0, the second pill 30 minutes later, and the third and final pill 30 minutes after that (1 hour total).
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: Easy. More like this: Logic riddles with answers or try Einstein's Logic Grid for a different kind of puzzle.
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