How many times can you subtract the number two from the number fifty?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

A man started to town with a fox, a goose, and a sack of corn. He came to a stream which he had to cross in a tiny boat. He could only take one across at a time. He could not leave the fox alone with the goose or the goose alone with the corn. How did he get them all safely over the stream?

If you say my name, I will no longer exist. What am I?

How many times can you subtract the number 5 from 25?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

These types of puzzles are known as charades. What you have to do is find two words that are referred to in the first stanza and the second stanza and put them together to form the third word in the third stanza.

Just for example, if my first refers to 'off' and my second refers to 'ice', then my whole will be office.

My first is present - future's past -
A time in which your lot is cast.

My second is my first of space
Defining people's present place.

My whole describes a lack of site -
A place without length, breadth, or height.

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?