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"

The more of this there is, the less you see. What is it?

How many letters are in the alphabet?

I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?

I am the fastest animal but cannot climb the tree. What am I?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

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

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

If,

A = 1

B = 2

C = 3

...

...

Z = 26.

Based on above rule, you need to find an eleven letter word whose letter sum is equal to 52.

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