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?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

The horse jumps over the king.
Strangely there is absolutely no scratch on him.

Can anyone explain, how is this possible?

What has 13 hearts but no other organs?

What does below pictogram mean?