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?

What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

My location can be determined by the below rebus.
So where am i ?

How many times can you subtract the number two from the number fifty?

What occurs twice in a week, once in a year but never in a day?

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

The more you take me, the more you leave me behind.
Who Am I?