What is both possible and impossible at the same time?
What is so fragile that saying its name breaks it?
What is 3/7 chicken, 2/3 cat and 2/4 goat?
A prisoner is told: "If you tell a lie, we will hang you and if you tell the truth, we will shoot you." What did the prisoner say to save himself?
Can you complete the sequence? 192, 021, 222, 324, 252, 627, 2__, 9__?
It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?
Bopanna was working on a murder case when he received a message about the location of the murder weapon. The message was encrypted as below. "deb mitciv eht edisni neddih si nopaew redrum ehT" Tell me the location of the murder weapon.
1 dollar = 100 cent = 10 cent x 10 cent = 1/10 dollar x 1/10 dollar = 1/100 dollar = 1 cent => 1 dollar = 1 cent solve this tricky problem?
I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?
If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following: 21 Q 7 R 9 S 10 P 13
Jenifer is learning to drive her car. She went down a one way lane and in the wrong direction. But she do not break any law. How come ?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.