Classic Riddles What is black when you buy it, red when you use it, and gray when you throw it away? Answer: Charcoal. Solution: Show Answer Charcoal. Reveal Answer 0 1 Share with Facebook Comment You may also like.. Logic Riddles What can fill an entire room without taking up any space? Answer: Light Solution: Reveal Answer 1 0 Easy Riddles They come out at night without being called, and are lost in the day without being stolen. What are they? Answer: Stars Solution: Reveal Answer 0 0 Sports Riddles Which vehicle is spelled the same forwards and backwards? Answer: racecar Solution: Reveal Answer 2 0 Math Riddles 81 x 9 = 801. What must you do to make the this equation true? Answer: Turn it upside down. 108 = 6 x 18. Solution: Show Answer Turn it upside down. 108 = 6 x 18. Reveal Answer 0 1 Math Riddles Find the missing number: 3, 9, 27, 81, ____? | Puzzle answer Answer: 81 × 3 = 243 Solution: 81 × 3 = 243 Reveal Answer 188 23 Previous Next Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name Email Website Save my name, email, and website in this browser for the next time I comment. Δ