Which of the below owl is odd one out?

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?

What work can one never finish?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

Replace the question mark in the picture below.

What is at the end of a rainbow?

When 99 is considered higher than 100?

Why did the Girl throw the butter out of the window?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?