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 arrange four 9's and use at most 2 math symbols, to make the total 100?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

Here is a conversation between a couple who both are software professionals.

Husband: Hey! What is your date of birth?
Wife Replied Angrily: It is 591062400
Husband after doing some calculations replied, "Got It".

What is the DOB of the wife?

What word is identified by the below rebus?

Your Your Your Your Your
Your Your Your Your Your

What is full of holes but still holds water?

What famous saying does this rebus mean?

COME SERVED <---
COME SERVED
COME SERVED
COME SERVED
COME SERVED

Can you identify if it's a murder or a suicide ?

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?

Buy me, smell me or deliver me, I do not change.

Who am I?