What does this rebus puzzle means ?

Count The number of F's in the paragraph below:

"FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS"

Can you name an animal whose killing cannot be performed without spilling your own blood?

If eleven plus two equals one, what does nine plus five equal?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

How many times do a clock's hands overlap in a day ?

Can you decipher the two rows to find the hidden word?

If Bihan is 10, Anirudha is 20, and Kim and Seal are both 5, but Rikold is 10, how much is Kenniger by the same trend?

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?

In a secret society, a buried chamber can be accessed only via a secret password. The password is seven characters long and comprises of just letters and numbers.

You find a code that can help you in cracking the password. The code says "You force heaven to be empty".

Can you deduce the password from that?