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?

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

I am the fastest animal but cannot climb the tree. What am I?

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

Explain?

What month of the year has 28 days?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

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

What Is It?