What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

What you cannot hold but it is yours?

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?

The more you take me, the more you leave me behind.
Who Am I?

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

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

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

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?

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?