Can you count the number of quadrilaterals in the picture below?
A man is lying dead in a field where no one is around. His head is split open and his legs are disfigured. Near to him, there is an unopened package. No living organism can be found anywhere at the crime scene. How did he die?
Use only one mathematical symbol and all numbers (0-9) to get a sum of 99
What's the best place to go shopping in the ocean?
Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?
I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?
In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?
Buy me, smell me or deliver me, I do not change. Who am I?
I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?
During which month do people sleep the least?
who is silent in the parliament?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
