You Are Highly Attentive If You Can Spot A Hat In This Bathroom In 9 Seconds!

A person was found dead on a big green land with no trees or buildings around. When the police arrived, they found a piece of rock lying next to him and the man was wearing clothes comprising of red, blue and yellow colours.

Can you tell who the person is and what was the cause of death?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

What has many keys but can’t open a single lock?

If a wheel has 54 spokes, how many spaces are there between the spokes?

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

The more you take me, the more you leave me behind.
Who Am I?

John was piloting a plane behind a car but was never able to overtake it. Why?

There is a five-letter word which has 3 consonants(all are same) and 2 different vowels.
Also, something wrong is associated with the word.

Can you name it?