If nine thousand, nine hundred nine dollars is written as $9,909, how should twelve thousand, twelve hundred twelve dollars be written?
What is so fragile that saying its name breaks it?
When I got four, I have it none. When I got two, I have it some. When I got none, I have it all. What is it?
If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?
It is always ahead of me yet I can never see it. What is it?
There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?
A plane crashed between the border of Mexico and America. Where do you bury the survivors?
If Rajina's daughter is my daughter's mom, who am I to Rajina?
What two things can you never eat for breakfast?
I look at you, you look at me, I raise my right, you raise your left. What am I?
It is deaf, Dumb and Blind!!! Still, always tells the truth. What is it?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.