Official GRE Quantitative Reasoning: Practice Questions .

Transcription

Welcome toOfficiOfficialcial GRE QuantiQuantitativet tat tit vev ReasoningReasonini gPractice Questions, Volume 1The book you are holding offers 150 real GRE practice questions directly from the maker ofthe GRE revised General Test. This book is specially created to give you in-depth practiceand accurate test preparation for the Quantitative Reasoning measure.Here’s what you will find inside: Authentic GRE Quantitative Reasoning test questions arranged by content andquestion type—to help you build your test-taking skills. Plus, mixed practice sets. Answers and explanations for every question! ETS’s own test-taking strategies. Learn valuable hints and tips that can help youget your best score. GRE Math Review covering math topics you need to know for the test. Official information on the GRE Quantitative Reasoning measure. Get the factsabout the test content, structure, scoring, and more—straight from ETS.About ETSAt ETS, we advance quality and equity in education for people worldwide by creatingassessments based on rigorous research. ETS serves individuals, educational institutions,and government agencies by providing customized solutions for teacher certification,English language learning, and elementary, secondary, and post-secondary education,as well as conducting educational research, analysis, and policy studies. Founded as anonprofit in 1947, ETS develops, administers, and scores more than 50 million testsannually—including the TOEFL and TOEIC tests, the GRE tests, and The PraxisSeriesTM assessments—in more than 180 countries at over 9,000 locations worldwide.For more information, visit www.ets.org.

IMPORTANTETS makes available free test preparation materials for individuals planning to take a GRE test.POWERPREP II software is available for individuals planning to take the computer-deliveredGRE revised General Test, and the Practice Book for the Paper-based GRE revised General Test,Second edition, is available for individuals planning to take the paper-delivered test. Theinformation about how to prepare for the Quantitative Reasoning measure of the GRE revisedGeneral Test, including test-taking strategies, question strategies, etc., that is included in thefree test preparation is also included in this publication. This publication also provides youwith 150 brand new practice questions with answers and explanations.For more information about the GRE revised General Test, free and low-costGRE test preparation materials, and other GRE products and services,please visit the GRE website at:www.ets.org/greInquiries concerning the practice test questions in this bookshould be sent to the GRE testing program at:GRETestQuestionInquiries@ets.org

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Contents1How to Use This Book . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .xiOverview of the GRE Quantitative ReasoningMeasure1Introduction to the GRE revised General Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1The Quantitative Reasoning Measure of the Computer-deliveredGRE revised General Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2The Quantitative Reasoning Measure of the Paper-deliveredGRE revised General Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Score Reporting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52Test Content7Overview of the Quantitative Reasoning Measure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7General Problem-solving Steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Quantitative Reasoning Question Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Using the Calculator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 393Arithmetic43Quantitative Comparison Questions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45Multiple-choice Questions—Select One Answer Choice . . . . . . . . . . . . . . . . . . . . . . . . . 47Multiple-choice Questions—Select One or More Answer Choices . . . . . . . . . . . . . . . . . 49Numeric Entry Questions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50Answer Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51Answers and Explanations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

4Algebra65Quantitative Comparison Questions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67Multiple-choice Questions—Select One Answer Choice . . . . . . . . . . . . . . . . . . . . . . . . . 69Multiple-choice Questions—Select One or More Answer Choices . . . . . . . . . . . . . . . . . 71Numeric Entry Questions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72Answer Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73Answers and Explanations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 745Geometry85Quantitative Comparison Questions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87Multiple-choice Questions—Select One Answer Choice . . . . . . . . . . . . . . . . . . . . . . . . . 89Multiple-choice Questions—Select One or More Answer Choices . . . . . . . . . . . . . . . . . 91Numeric Entry Questions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92Answer Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93Answers and Explanations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 946Data Analysis105Quantitative Comparison Questions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107Multiple-choice Questions—Select One Answer Choice . . . . . . . . . . . . . . . . . . . . . . . . 110Multiple-choice Questions—Select One or More Answer Choices . . . . . . . . . . . . . . . . 112Numeric Entry Questions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113Data Interpretation Sets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114Answer Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118Answers and Explanations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

7Mixed Practice Sets139Practice Set 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141Answer Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151Answers and Explanations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152Practice Set 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173Answer Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183Answers and Explanations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184Practice Set 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199Answer Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209Answers and Explanations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210Appendix A: GRE Math Review2291. Arithmetic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2302. Algebra . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2453. Geometry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2734. Data Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288Appendix B: Mathematical Conventions for theQuantitative Reasoning Measure of theGRE revised General Test329

Overview of the GRE Quantitative ReasoningMeasureYour goal forthis chapter Review basic information on the structure of the GREQuantitative Reasoning measure, test-taking strategies,and scoringIntroduction to the GRE revised General TestT he GRE revised General Test—the most widely accepted graduate admissionstest worldwide—measures verbal reasoning, quantitative reasoning, criticalthinking, and analytical writing skills that are necessary for success in graduateand business school.Prospective graduate and business school applicants from all around the world takethe GRE revised General Test. Although applicants come from varying educational andcultural backgrounds, the GRE revised General Test provides a common measure forcomparing candidates’ qualifications. GRE scores are used by admissions committeesand fellowship panels to supplement undergraduate records, recommendation letters,and other qualifications for graduate-level study.The GRE revised General Test is available at test centers in more than 160 countries.In most regions of the world, the computer-delivered test is available on a conti

Official GRE Quantitative Reasoning Practice Questions, Volume 1 The book you are holding offers 150 real GRE practice questions directly from the maker of the GRE revised General Test. This book is specially created to give you in-depth practice and accurate test preparation for the Quantitative Reasoning measure.