What is the longest word in the dictionary?

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.

Replace the question mark with the number below given a simple math problem.

How can a man go eight days without sleep?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

There were two grandmothers and their two granddaughters.
There were two husbands and their two wives.
There were two fathers and their two daughters.
There were two mothers and their two sons.
There were two maidens and their two mothers.
There were two sisters and their two brothers.
Yet there are only six, who are buried here,
All are born legitimate and relationships clear.
How can this happen?

Can you find the thief by just looking at the picture below?

Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."

How old are the daughters?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?