Rearrange the letters in "new door" to make one word.
What begins with T, ends with T, and has T in it?
What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?
Prove that twice of ten is the same as twice of eleven.
A father is locked up in jail. His wife has gone bankrupt. Their male child has to sell his hotel in order to gain some money. Yet their girl child does not care and is quite happy. How can someone be so rude?
Why do people go to bed?
The Little ant seems to be always confused. Do you know why?
How can a man go eight days without sleep?
Which flower has two lips?
Which is faster, Heat or Cold ? Explain.
What's the only room from which no one can enter or leave
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.