A man is walking down a road with a basket of eggs. As he
is walking he meets someone who buys one-half of his eggs
plus one-half of an egg.
He walks a little further and meets another person who buys
one-half of his eggs plus one-half of an egg.
After proceeding further he meets another person who buys
one-half of his eggs plus one half an egg. At this point, he
has sold all of his eggs, and he never broke an egg.
How many eggs did the man have to start with?

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 replace the question mark with the correct number in the below table sequence?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

Something Extraordinary happened on May 6th 19778 at 12:34am what was that?

I am the fastest animal but cannot climb the tree. What am I?

What is black when you buy it, red when you use it, and gray when you throw it away?

Rearrange the letters in "new door" to make one word.

What makes this number unique: 8,549,176,320?

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *