If you have it, you want to share it. If you share it, you don't have it.
What is a secret?
What has no beginning, end, or middle?
A doughnut.
It is as big as a biscuit, deep as a cup, but even a river can't fill it up.
What is a kitchen strainer?
The value of the moon.
What is $1? It has 4 quarters.
The more you have of it, the less you see.
What is darkness?
It has to be broken before it can be used.
What is an egg.
It goes up and never comes down.
What is your age?
It is harder to catch the faster you run.
What is your breath?
It is tall when it is young and short when it is old.
What is a candle.
The more it dries, the wetter it gets.
What is a towel?
It is always in front of you but can’t be seen.
What is the future?
It stays where it is when it goes off.
What is an alarm clock?
It gets whiter the dirtier it gets.
What is a chalkboard?
The number of bricks takes to complete a building made of bricks.
What is one? The last one.
It only has two words, but contains the most letters of all.
What is a post office?
You heard me before, yet you hear me again. Then I die, 'til you call me again.
What is an echo?
It happened in the middle of the twentieth century and will not happen again for 4,000 years.
What is the year 1961? It can be read upside down and that won't happen again until 6009.
A question that you can never answer yes to.
What is "Are you asleep"?
You answer me, although I never ask you questions. What am I?
The telephone.
The highest mountain on earth before Mount Everest was discovered.
What is Mount Everest?