Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

You bought me for dinner but never eat me. What am I?

A detective visits his friend John just to discover that John's neighbour Dr Jacob was murdered. Dr Jacob, who is a mathematician wrote the murderer's name in a code word "Hcqtfz". There were five suspects
1. Ajit
2. Pankaj
3. Ganpat
4. Deenu
5. Hariya

The Detective was instantly able to find the murderer.
Can you?

I shave every day, but my beard stays the same. What am I?

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

Why is the Hole below a Lock?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

A crime was committed at baker street. Ibrahim Dakota who was shot in the stomach was the main suspect. Sherlock questioned the suspect. The conversation started as:
Sherlock: What's your story, Ibrahim?
Ibrahim: I was walking around baker street and suddenly a man from the back shot me. I ran as fast as I could to save my life".
Sherlock: That is enough (and ask the police to arrest him).

Why does Sherlock think he is the murderer?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.