There are about 14 tests,
English, ATPL, mental calculation x2, maths, attention, concentration, multi tasking, logic, memory x2,... Personality....
At the end, you are individually received in a room, and they give the positive or negative feedback, they debrief with you about your results.
I would assume that the pass rate is 80% for all candidates and 90% are german speaking.
Next step is Simulator and another day Corporate Qualification