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?

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

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

I go up and I go down.
I go up towards the beautiful sky and down toward the green ground.
I am present tense.
I am past tense too
Children love me.

Who Am I?

I have no life, but I can die. What am I?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

What has one letter and starts with an E?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?