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

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Can you name some countries which do not have the alphabet 'A' in them?

I taste better than I can smell. Who am I?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

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?

Which English verb becomes past tense just by rearranging the letters?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?