What has to be broken before you can use it?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

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

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.

What is the Surname of Barbie Doll?

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

I have an eye but still cannot see.

Who am I?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?