If a doctor hands you 3 pills and instructs you to swallow one every half hour, how many minutes will pass between taking your first pill and your last pill?
60 minutes
You take the first pill at minute 0, the second pill at minute 30, and the third pill at minute 60, spanning an elapsed time of 60 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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