(Image credit: Flickr user Isabel Odriozola)
If a doctor gave you three pills and told you to take one every half hour, how long would they last you?
Continue reading for the answer.
This brainteaser is reprinted with permission from Uncle John's Supremely Satisfying Bathroom Reader.
Since 1988, the Bathroom Reader Institute had published a series of popular books containing irresistible bits of trivia and obscure yet fascinating facts. If you like Neatorama, you'll love the Bathroom Reader Institute's books - go ahead and check 'em out!