What is always in front of you but can’t be seen?
What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?
What will you call your mother's brother's brother-in-law?
There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?
If nine thousand, nine hundred nine dollars is written as $9,909, how should twelve thousand, twelve hundred twelve dollars be written?
The more it dries, the wetter it becomes. Can you tell what it is?
Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?
A horse was tied to a rope 5 meters long and the horses food was 15 meters away from the horse. How did the horse reach the food?
Railroad Crossing, look out for the cars. Can you spell that, without any R's ?
I look at you, you look at me, I raise my right, you raise your left. What am I?
I have teeth but i don't bite. Who Am I ?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.