What do you answer even though it never asks you questions?

I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

If Rajina's daughter is my daughter's mom, who am I to Rajina?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

What can you catch but never throw?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

A fresher was sitting in an interview. The interviewer said, "This is the last question of your interview. Tell me the accurate position of the centre of this table where your resume is kept."

How can he answer this question? What will you have answered to such a question?

I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.

Who Am I ?

What is so fragile that saying its name breaks it?