Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

What you cannot hold but it is yours?

One night, a woman receives a call from the police. They tell her that her husband was murdered and that she should come to the crime scene as soon as possible. The woman drops the phone, shocked, and drives 20 minutes to the crime scene. As soon as she reaches the crime scene, the police arrest her and she is convicted of murder. How do the police know she committed the crime?

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?

Can you count the number of matches in the picture below ?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

How many words can a pen with half refill write?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?