What is the Surname of Barbie Doll?

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?

Who always enjoys poor health?

If 1+9+8=1, what is 2+8+9?

You are a thief and you are being punished for your crime. People have tied your head down on a tree with a rope that has been anchored in the ground. A candle is burning below the rope which is slowly burning it away. Just below your head, a Lion has been left loose and is waiting for you to drop down on the ground so he can have you as his lunch.

You have to survive the scenario. How will you do it?

A Shopkeeper sold a few chickens to four different customers on a particular day. It was such that each customer purchased half of the remaining chickens and half the chicken more.

Can you find out how many chicken were sold by the shopkeeper on that day if we tell you that the fourth customer bought a single chicken ?

What Deficiency does the below rebus represent?

VIT_MIN

Can you spot the hidden girl in the picture below?

I am quite hot but become too cold if you remove the first two letters. What am I?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?