When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

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

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

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?

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

What is at the end of a rainbow?

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

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

A horse was tied to a rope 5 meters long and the horses food was 15 meters away from the horse. How did the horse reach the food?

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?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?