Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

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.

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller.

I called their home number and one of them picked up.
I asked. 'Does John lie?' The person replied with a yes.

Whom did I talk with, John or Jacob?

Distances from you to certain cities are written below.

BERLIN 200 miles

PARIS 300 miles

ROME 400 milesAMSTERDAM 300 miles

CARDIFF ??? miles

How far should it be to Cardiff ?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

What is the fastest way to double your money?

In the four images below, can you find the odd one out?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?