What has to be broken before you can use it?

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

If an electric train is travelling south, then which way is the smoke going?

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?

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?

I look flat, but I am deep. Hidden realms I shelter. Lives I take, but the food I offer. At times I am beautiful. I can be calm, angry, and turbulent. I have no heart but offer pleasure as well as death. No man can own me, yet I encompass what all men must have. What am I?

How many sides does a circle have?

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?

What month of the year has 28 days?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?