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?

When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

Outside a tattoo artist's shop, there was a signboard which read 'I make tattoos on only them who do not tattoo themselves'.

Reading it what do you think, does the tattoo artist tattoo himself?

Find out which of the given views in the picture is accurately the top view of the given pyramid.

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

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

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?