This number is the only even prime number.
2
This English word becomes shorter when you add two letters to it.
Short
What has keys but can’t open locks?
A piano
You can catch it, but you cannot throw it.
A cold
A plane crashes on the border between the USA and Canada. The survivors are buried in this place.
nowhere — survivors aren’t buried?
A farmer has 17 sheep, and all but 9 die.
What is 9
This comes once in a minute, twice in a moment, but never in a thousand years.
The letter “M”
What has hands but can’t clap?
A clock
If you drop me, I’m sure to crack, but give me a smile and I’ll smile back.
A mirror
This month has 28 days.
All months
If it takes 5 machines 5 minutes to make 5 items, this is how long it takes 100 machines to make 100 items.
5 minutes
The more you share it, the less you have.
A secret
What goes up but never comes down?
Your age
I speak without a mouth and hear without ears. I have no body, but I come alive with wind.
An echo
The more you feed it, the bigger it gets, but if you give it water, it dies.
Fire
A bat and a ball cost $1.10 in total. The bat costs $1 more than the ball.
This is the cost of the ball.
0,05
This question can never be answered with a “yes.”
“Are you asleep?”
What travels around the world while staying in one corner?
A stamp
The more you take from it, the bigger it becomes.
A hole
This building has the most stories in the world.
A library
A woman has twice as many brothers as sisters.
Each brother has the same number of brothers and sisters.
This is how many children are in the family.
7 children (4 girls and 3 boys)?
This word becomes a different word when you change only one letter, and both words are opposites.
Light-night
What can fill a room but takes up no space?
A light
I shave every day, but my beard stays the same.
A barber
Before Mount Everest was discovered, this was the highest mountain in the world.
Mount Everest (it still existed)?