Keyboard words are not in alphabetical order, Why?

What runs around the whole yard without moving?

I am a word of 12 alphabets.

* Alphabets 12, 4, 7, 2, 5 : Eastern beast of burden
* Alphabets 1, 8, 10, 9 are street made famous by Sinclair Lewis.
* Alphabets 11, 3, 6 are past.

On whole it means a person suffering from delusions of greatness.

What Is it ?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

How can a man go eight days without sleep?

What can go up a chimney down, but can't go down a chimney up?

Count the number of lines in the image below ?

I make two people out of one. What am I?

What does Alexander the Great and Winnie the Pooh have in common?

Can you find out which triangle will have a bigger area among the following?
1. A triangle with sides 300, 400 and 500
2. A triangle with sides 300, 400 and 700