Complete the table series riddle by finding the number that can replace "??".

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?

Can you write down eight eights so that they add up to one thousand?

There were five men at church, and it started raining while they were outside. The four that ran still got wet, but the one that was still stayed completely dry. Why did he stay dry?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

Solve the equation in the image by looking at the pattern closely.

A car key is hidden in the picture. Can you spot it.? Quickly test your eye power now!

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?