why number 8549176320 is one of a kind?

If two's company, and three's a crowd, then whats four and five ?

What do you call a fish without an eye?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

I’m tall when I’m young, and I’m short when I’m old. What am I?

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 white when I am dirty, and black when I am clean. What am I?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

This is a simple one. You just have to count the number of Fs in the given sentence.

Finished Files are the result of years of scientific study combined with the experience of years.

How many did you count?