How many letters are in the alphabet?

I have no life, but I can die. What am I?

The dirtier I get, the whiter I look. Who am I?

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.

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

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

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

What is more useful when it is broken?

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?

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?