Which is the smallest number that you can write using all the vowels exactly once?

You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?

What goes up but never comes down?

How can I get the answer 24 by only using the numbers 8,8,3,3?

You can use the main signs add, subtract multiply and divide.

If 1+9+8=1, what is 2+8+9?

What is so fragile that saying its name breaks it?

Before Balboa discovered the Pacific Ocean, which was the largest ocean before that?

Can you write down eight eights so that they add up to one thousand?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

What has to be broken before you can use it?