("Professional aptitude test" score plus "comprehensive application ability" score) divided by 3 times 50% plus comprehensive interview score times 50%. According to Chongqing Zhonggong Education Network. Total test score: (professional aptitude test score plus "comprehensive application ability" score) divided by 3 times 50% and comprehensive interview score times 50%. Class C posts in public institutions refer to posts with lower levels and positions. Posts in public institutions are divided into three categories: A, B and C. Among them, Class C posts refer to low-level post grades and a few post grades, which are ordinary and grass-roots posts.