Long Riddles and Answers

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: A trail, a union, together tied.
Come across me and you will find,
you cannot change the course I'm on,
without me you cannot travel on.

What am I?

Question: The shortest distance between two points is a straight line. A man walks a straight line 50 feet, in 50 seconds. It took him twice as long to walk the same line back. Why?

Question: On a boat in a lake, there is a rope ladder. The rope ladder is 5 inches off the water. Then one day the lake waters rise 5 inches. How high off the water is the ladder now?

Question: A man hangs his hat and walks 500 yards with his eyes closed. He then turns around and shoots his hat with his pistol with his eyes still shut.

How did he do this?