Difficult Riddles What is the thing which, once poured out, cannot be gathered again? Answer: rain Solution: Reveal Answer 0 0 Share with Facebook Comment You may also like.. Logic Riddles What is the difference between yesterday and tomorrow? Answer: Today. Solution: Reveal Answer 0 0 Classic Riddles In a tunnel of darkness lies a beast of iron. It can only attack when pulled back. What is it? Answer: A bullet. Solution: Show Answer A bullet. Reveal Answer 0 0 Math Riddles I have five and take away two, yet I am left with four. How is this possible? Answer: Take the letters F & E off of the word five. This leaves you with IV which is four in roman numerals. Solution: Reveal Answer 0 0 What am I ? I have roots nobody sees. I am taller than trees. Up, up I go but I never grow. What am I? Answer: Mountain Solution: Reveal Answer 0 0 Classic Riddles You can’t see me, but I can see you; To be more specific, I see through. What am I? Answer: An X-Ray. Solution: Show Answer An X-Ray. Reveal Answer 1 0 Previous Next