If you say my name, I will no longer exist. What am I?
If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?
What always comes into a house through the keyhole?
What does this rebus means ? PROG WORKRESS
How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?
Rearrange the letters in "new door" to make one word.
You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?
My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?
He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?
How many triangles can you find in this given picture?
What is the below Rebus indicate?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.