the question is out dated but the answer is 60 coupons

they won't fix the quiz because if they did every one would get 10 out of 10 every time because after a while you will have seen every question and know the answers making it so that you will always get a perfect score. so if they leave in the old question, and don't fix the errors in how other questions are worded then its likely people will continue to not be able to get perfect scores.