The interview process went well, I couldn't crack it, no more information regarding the interview process. should have gone well but it didn't, also I have no idea on why this should be done

1)self introduction 2)why software testing role 3)did you use testing in your project 4)write a code that prints odd numbers from 1 to 20 in any programming language 5)how do you rate yourself for progaramming languages 6)how many months in a year has 28 days