Hard Riddles
The Time Traveler’s Dilemma
A time traveler goes back in time and kills his grandfather before his father is conceived. What happens?
The Unstoppable Force
What moves faster: heat or cold?
The Sphinx’s Riddle
What walks on four legs in the morning, two legs in the afternoon, and three legs in the evening?
The Magic Word
What 8-letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?
Hint: Begin with words that have "ing" at the end.