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

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

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?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

What is more useful when it is broken?

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

John was piloting a plane behind a car but was never able to overtake it. Why?