Numerical skills and English language are evaluated. Also questions about previous experience and academic background. There are case studies to be addressed. Advanced excel is also tested as well as writing.
I applied through university. The process took 1 day. I interviewed at Gemdax (Antwerp) in Aug 2011
Interview
The interview was in 2 parts, first we were given an scenario case study to prepare beforehand. During the interview, we discussed the case further in depth and had were given other scenario based questions. The last part was a behavioral question.