Ranks of approved katas won't be changed so it's useless to post complaining for that.

Too easy shouldn't be 5kyu so try it only takes a couple lines of code.

Too easy shouldn't be 6kyu maybe 7kyu

You need to return the number of years the person is old.

Quick way to get a little honor.

Really easy for starters or good for just a warmup.

Please stop posting suggestion like this. Those are not suggestions for the kata, but spoilers that have nothing to do here. Users are supposed to solve the katas by themselves, not looking at Discourse page.

Please read this: https://docs.codewars.com/training/troubleshooting#post-discourse

Good for beginner and it works well.

Format is diffrent but its easy once you know what your supposed to do. Good for starters.