If you say my name, I will no longer exist. What am I?

Which point will the car reach to go out?

Can you spot what's wrong with the following sentence?

PETER WAS ANGRY AT
HIMSELF BECAUSE HE
ACCIDENTALLY LEFT THE
THE KEYS TO HIS CAR
AT HIS FRIEND'S HOUSE.

The more of this there is, the less you see. What is it?

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

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

I have an eye but still cannot see.

Who am I?

How can you take 2 from 5 and leave 4?

Can you write down eight eights so that they add up to one thousand?

What breaks yet never falls, and what falls yet never breaks?