A set of numerical reasoning textbooks and problem sets for the civil service exam, volumes 1 and 2. The textbooks have no writing in them. The problem sets show some signs of use, with writing as shown in the photos. There is no writing on the problems themselves. You can significantly improve your skills by just solving the problems marked with an "A" in the upper left corner. If your answer rate is 75% or higher, you may want to try the "B" and "C" problems as well. ▶ Civil Service Exam Past Exam Mastery V Textbook 16 Numerical Reasoning (Volume 1) ▶ Civil Service Exam Past Exam Mastery V Textbook 17 Numerical Reasoning (Volume 2) ▶ Numerical Reasoning Numerical Reasoning Problem Set (Past Exams & Practice Problems) - Publisher: TAC This item is available for immediate purchase. Please feel free to comment if you have any questions.