The Body Shop interview questions

Before the interview offer, I had to answer the most ridiculous set of 'logic' questions I have ever seen in my life. I don't see how those questions could mean anything to the employers and by the end I just wasn't even trying anymore because I didn't get it... Didn't think I would get an interview email/call but I did. I entered the store and was told to go upstairs for the interview. I have done several group interviews before, but this one was by far the largest one I have attended. There were 12 of us in total and one manager. We first had to fill out availability forms and then were asked to answer questions about ourselves and why we want to work at TBS. I just felt a bit uncomfortable the whole time and thought the whole interview process was a little bit silly... But I guess from their perspective, its a good way to weed people out. We had to make an "advertisement" of a product in our groups of 6 people (which I think is way too big of a group) and had like 10 minutes to do it then present it together. We also had a question and answer session where the very strict uniform rules were laid out which I didn't know about really, they are quite detailed. I rated this interview as difficult not because it was actually HARD but because I found it challenging to take seriously and wanted to walk out a few times. Just felt a bit superficial to me.