I am under you when I am whole. I shift above you if you remove the first letter. I come all around you if you remove the second as well. Can you tell me who I am?
I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?
If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?
Cristina leaves home and then she makes exactly 3 left turns and returns home where she found 2 girls wearing the mask. Who are these two masked girls?
Before Mount Everest was discovered, what was the highest mountain in the world?
Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?
John was piloting a plane behind a car but was never able to overtake it. Why?
A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?
What you cannot hold but it is yours?
Can you find the missing piece of the Porsche?
What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
