30 Riddles Only The Most Intelligent Minds Can Answer
Take me out of a window, and I leave a grieving wife. But stick me in a door, and I can save somebody's life. What am I?
28. What comes once a minute, twice in a lifetime but never in a thousand years?
The letter I.
29. In English, what word changes pronunciation, part of speech, and meaning when you capitalize it?
Polish.
