501 Quantitative Comparison Questions helps prepare students for key academic aptitude tests-including the PSAT/NMSQT, the SAT, and the GRE-which feature a quantitative comparison section within the math portion of the exam. 501 Quantitative Comparison Questions is designed to help students prepare for this specialized math section, mastery of which is essential for acceptance to desirable schools and jobs. By completing the exercises in this book, students can increase their math knowledge and gain familiarity with specialized questions needed to score high. The book features complete answers, each with a full explanation.