Best 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: What can you serve but never eat?

Question: What goes around comes around?

Question: I am duplicate of you, but only lighter. What am I?

Question: Surrounded by life , yet life is its biggest enemy. But without life there is no need for it to exist. What is it?