ALDI Stock Assistant interview questions

It was a group interview Everyone lines up and gets taken into the store where they complete a maths sheet in 5 mins You have to score 7 to progress to the next stage If not you get sent home straight after

I was expecting an assessment not an interview as that is what invitation said. I was asked why I wanted to work at especially Aldi with all the other jobs out there. Also what days and what times I was willing to work . Without knowing what they wanted beforehand I don’t think I answered what they wanted from me as I didn’t get the job.