I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

What have one eye but still cannot see?

Why 1729 is a magic number? Answer Logically.

Can you write down eight eights so that they add up to one thousand?

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

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?