I don't think they say on this version, but on the GSN version, they have two sets of questions, A and B, and the contestants get to pick which set they want to play. The chaser got the other set. It was a blind pick, but at least there was no question about questions favoring the chaser or the contestants. One set might be easier, but it was a random pick that determined who got which set.
I think that the "consolation prize" amount they let them play for was too high in the first episode last night. They should've made it minimal, like $15,000 to split if their representative contestant