75 points. The undergraduate course belongs to the junior college level at most, and the difficulty is only slightly eliminated. So, roughly, the score of undergraduate 100 is at most 50 for postgraduate mathematics, so the score of undergraduate mathematics exam 150 is 75. Postgraduate entrance examination is a selective examination that candidates must pass to become graduate students. Postgraduates are higher-level academic qualifications after junior college and undergraduate course, which are divided into master students and doctoral students. Generally speaking, "graduate students" usually refer to master students.