Infosys Software Engineer interview questions

I was recruited as a fresher in campus interview.And the interview went with few puzzles and aptitude questions.

One day process.first round of interview is face to face 1.Normal basic question 2.Writing sample programs. 3.Sql 4.odd and even 5What are abstract and interface? Provide actual examples. 6What is partial class? 1.Normal basic question 2.Writing sample programs. 3.Sql 4.odd and even 5What are abstract and interface? Provide actual examples. 6What is partial class?