McCaulay's Practice Exams for PSAT/NMSQT* Math contains four complete 38-question sample tests for the mathematics sections of the Preliminary SAT/National Merit Scholarship Qualifying Test (PSAT/NMSQT*) co-sponsored by the College Board and National Merit Scholarship Corporation (NMSC), for a total of 152 practice questions with answers and explanations. The two mathematics sections have four categories of questions: Number and Operations (29%); Algebra and Functions (29%); Geometry and Measurement (29%); and Data Analysis, Statistics, and Probability (13%). The questions of each type are arranged with the easier questions first and the more difficult questions at the end.