Which flower has two lips?
Forwards I am heavy, backward I am not. What am I?
There are forty elephants and they have forty-fore heads. How can this be possible?
How can a man go eight days without sleep?
A blonde put eyeliner on her head. Why?
Why did Navjot Singh Sidhu put the new January calendar in the freezer
What country can make you shiver?
A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?
What 5-letter word typed in all capital letters can be read the same upside down?
10+10 and 11+11 can give you the same answer. Explain how?
I cannot talk, but I always reply when spoken to. What am I?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.