There is something which is always coming but never arrives?

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

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

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?

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

Name the three-letter word that can complete the below words:

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

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

What word is pronounced the same if you take away four of its five letters?

There are two words one resembles the "state of rest" and the other is related to "writing/reading material".

Can you name these two words which also sound similar?

I am a ten letters word
The first four letters have the power to rule,
Next, four-letter can be eaten.
The next three-letter represents a lady.
I can fly as well

what am I looking for?