What is so fragile that saying its name breaks it?

All of you like to eat me. I am a five-lettered word. Remove the first two and I turn into an infamous animal. Remove just the first and I become a heinous crime. Remove the first and the last and you can groove on me.

Can you guess who am I?

Okay before we begin with the puzzle, do keep in mind that you have to answer it quickly.

You are participating in a car race. Seeking the perfect moment, you overtake the second person in the race. What positions are you in now?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

What is the next number in this series?

4,12,84,3612....

Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?

There was a blind beggar living on the footpath of a street. Suddenly one day, the beggar's brother died. What was the relation of the blind beggar with the person who died?

PS: Brother is not the answer.

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

What can you hold in your right hand, but never in your left hand?