If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?
Who has married many women but was never married?
The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?
A prisoner is told: "If you tell a lie, we will hang you and if you tell the truth, we will shoot you." What did the prisoner say to save himself?
I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?
The ages of a father and son add up to 66. The father's age is the son's age reversed. How old could they be? (3 possible solutions).
A mules travels the same distance daily. I noticed that two of his legs travels 10km and the remaining two travels 12km. Obviously two mules legs cannot be a 2km ahead of the other 2. The mules is perfectly normal. So how come this be true ?
If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age. How old will John be two years from now?
Every words stands for unique digit that makes the arithmetic equation true SEVEN + SEVEN + SIX = TWENTY. What are the digits ?
I can write cow in 13 letters. Can You?
How can you leave a room with two legs and return with six legs?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.