I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

What demands an answer, but asks no questions

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

What has to be broken before you can use it?

Why 1729 is a magic number? Answer Logically.

I can sizzle like bacon,
I am made with an egg,
I have plenty of backbone, but lack a good leg,
I peel layers like onions, but still remain whole,
I can be long, like a flagpole, yet fit in a hole.

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

I don't get anymore wetter, no matter how much rain falls on me.

How can you write nineteen in a manner that if we take out one, it becomes twenty?