Can you find out the number that should replace the question mark with a valid reason?

Guess the hidden movie name?

What has many teeth, but cannot bite?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What 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?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

How many triangles do you see in the picture puzzle below?

You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?

Can you solve below mathematical equation?

2^1234 - 2^1233

Can you find the odd one out from the below words ?

First Second Third Forth Fifth Sixth Seventh, Eighth Nine Ten Eleven Twelve.