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"

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?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

Can you solve this picture maths equation?

The more you take me, the more you leave me behind.
Who Am I?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

What breaks yet never falls, and what falls yet never breaks?

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

Count the number of times the letter "F" appears in the following paragraph:

FAY FRIED FIFTY POUNDS OF
SALTED FISH AND THREE POUNDS
OF DRY FENNEL FOR DINNER FOR
FORTY MEMBERS OF HER FATHER'S FAMILY.

I know a nine-letter word having only one vowel.
Do you ?