I shave every day, but my beard stays the same. What am I?

This is a simple one. You just have to count the number of Fs in the given sentence.

Finished Files are the result of years of scientific study combined with the experience of years.

How many did you count?

Where do fish keep their money?

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

Which part of London exists in France as well ?

John, Jack and Jill are in a desert. John doesn't like Jill and hence decides to murder him. He poisons the water supply of Jill. Since it is a desert area, Jill must drink or he will die of thirst.

Jack does not know of the actions of John and also decides to murder Jill. To succeed in his ill motives, he removes the water supply of Jill so he dies of thirst.

Jill dies due to thirst. Who murdered Jill?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

How can you write nineteen in a manner that if we take out one, it becomes twenty?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

I always drive my customer away.

Who am I?