why number 8549176320 is one of a kind?
Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?
If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?
You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)
Can it be possible to build a house that has all its four walls facing towards the South?
Why is the Hole below a Lock?
People put me on the table and cut me but do not eat me. What am I?
The more it dries, the wetter it becomes. Can you tell what it is?
What is the next number in this series? 4,12,84,3612....
A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?
What does it mean?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
