What does this rebus means ?

PROG WORKRESS

Find out the missing number in the picture attached:

I make two people out of one. What am I?

A thief is convicted in Mexico. He gets the death penalty. The judge allows him to say the last sentence to determine how the penalty will be carried out. If the thief lies, he will be hanged, if he speaks the truth he will be beheaded. The thief tells the last sentence and to everybody's surprise some minutes later he is set free because the judge cannot determine his penalty. What did the thief say?

What do you call a fish without an eye?

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"

I’m tall when I’m young, and I’m short when I’m old. What am I?

Can you find the missing piece of the Porsche?

What goes up but never comes down?

Can you count the number of triangles in the given picture?