Answer:
I have a ring, but no hands. I used to be plugged into the wall but now I follow you every where. What am I?
The land was white the seed was black. It'll take a good scholar to riddle me that.
What has no hands but might knock on your door, and if it does you better open up?
It is something you make after you've weighed your options.
What is at the end of a rainbow?
I am a room that has a roof but no walls. What am I?