Why is it very easy to weigh a fish?
Mr Red Lives in the red house. Mr Green Lives in the greenhouse. Mr Yellow Lives in the yellow house. Who lives in the Whitehouse?
On a bus, there is a 26-year-old pregnant lady. A 30-year-old policeman. A 52-year-old random woman. And the 65-year-old driver. Who is the youngest?
Who is that with a neck and no head, two arms and no hands? What is it?
What has a bottom at the top?
Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?
Prove that the below maths equation is true. 8 + 8 = 91
How can you make a TV, a bed, a dog, and a car liquid?
There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence. Do you know what word is that?
Why are all black people so quick ?
Can you start the fire using two pieces of wood?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.