There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?
I taste better than I can smell. Who am I?
Which wheel of car does not rotate when you turn your car right?
What can you see in the middle of March and April that you can never see in any other month?
4 fathers, 2 grand-fathers and 4 sons went to watch the movie.What is the minimum number of tickets they need to buy ?
A plane crashed between the border of Mexico and America. Where do you bury the survivors?
What begins with T, ends with T, and has T in it?
There was a strange boy who was born before his father. How can this be possible?
Twice ten are six of us, Six are but three of us, Nine are but four of us; What can we possibly be? Would you know more of us? Twelve are but six of us, Five are but four, do you see? What are we?
Can you solve the photo plexer logic ?
If a wheel has 54 spokes, how many spaces are there between the spokes?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.