A mad serial killer kidnaps people and forces them to play the game of 2 pills with them, In this game, there are pills in the table and one of them is normal pill while the other one is deadly poisonous.
The victim will choose one pill and the killer will pick the other pill and both simultaneously will swallow the pill with water.
victim dies every time.

One day the serial killer kidnaps the Joseph and forces him to play the same game with him.

Joseph solves the mystery of the two pills and remains alive.

Explain?

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"

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Solve the rebus riddle in the picture below.

Which tank will fill first?

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

Can you place six X (crosses) in below board without making three in a row in any way ?