Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

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?

I am white when I am dirty, and black when I am clean. What am I?

Given below is simple addition with a defined pattern pattern:
7 + 7 = 2
8 + 8 = 4
8 + 5 = 1
6 + 9 = 3
10 + 11 = 9

Can you analyze the pattern and find out the answer for:

4 + 9 = ?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

I am not a bull but I have horns.
I am not an ass but I have a pack saddle.
Wherever I go, I leave silver behind me.

Who am I?

A man was just doing his job when his suit was torn. Why did he die three minutes later?

Move four matchsticks to the below square to form three squares?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?