As you know ruby provides four types of variables. List them and provide a brief explanation for each?
Difference between nil and false in ruby?
Explain about methods?
Can method names be capitalized?
Tell me how you can list all routes for an application?
Tell me how you define instance variable, global variable and class variable in ruby?
Explain the use of global variable $ in Ruby?
Explain ruby strings.
What is ruby software and where and when it is usefull.
Explain ruby class.
What is request.xhr?
How to access Ruby strings elements in an application?
How an exception is handled in Ruby?
Explain Ruby if-else statement?
Tell me the role of modules and mixins in ruby?