Fun Riddles

Question: With one you can't count past six,
nor can the gap between v and x be fixed.
You can read all of these lines,
but can't say what solves me.

What am I?

Question: I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter.

What am I?

Question: A man has hundreds of bodies buried on his land, many of which are cops and criminals. Many people find out what he has been doing, but none go to the police.

Why not?

Question: If you're in 3rd place and you passed the person in 2nd, what place are you in?

Question: Change a long pause into a short one by doubling a letter.What are the words?