If you say my name, I will no longer exist. What am I?

Count The number of F's in the paragraph below:

"FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS"

Count the number of triangles in the below picture?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

The centre of the third figure is empty. What digit should fit inside?

Jigsaw captured 100 people and make them stand in a circle and all these people are labelled as Person1, Person2, Person3... Person100. He made them play a crazy game in which Person 1 shot Person 2 and pass the gun to the next person and so on until one stands alive.

Which person will survive in the end?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable