Free Download GMAT Official Guide 2018 Quantitative Review: Book + Online (Official Guide for Gmat Quantitative Review)

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From the Back Cover

GMAT™ Official Guide Quantitative Review 2018 Book + Online BUILD YOUR OWN PRACTICE SETS with questions from this guide at gmat.wiley.com SUPPLEMENT THE GMAT® OFFICIAL GUIDE with 300 additional questions organized in order of difficulty from easiest to hardest Visit mba.com, the official GMAT® website

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About the Author

The Graduate Management Admissions Council (GMAC) is the association of leading graduate business schools around the world. GMAC's mission is to meet the needs of business schools and students through a wide array of products, services, and programs, and the organization serves as a primary resource of research and information about quality graduate management education. GMAC is the owner and administrator of the Graduate Management Admissions Test (GMAT). Created in 1954, the GMAT is the first and only standardized test specifically designed for graduate business and management programs. Available in over 100 countries, it is the global standard for entry to the MBA degree course. Currently about 2,100 schools and 5,900 programs have adopted the GMAT, and the test is taken approximately 230,000 times annually.

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Product details

Series: Official Guide for Gmat Quantitative Review

Paperback: 240 pages

Publisher: Wiley; 2 edition (June 19, 2017)

Language: English

ISBN-10: 9788126567058

ISBN-13: 978-1119387497

ASIN: 1119387493

Product Dimensions:

8.3 x 0.6 x 10.7 inches

Shipping Weight: 1.2 pounds

Average Customer Review:

4.6 out of 5 stars

8 customer reviews

Amazon Best Sellers Rank:

#542,162 in Books (See Top 100 in Books)

I am a Harvard grad, 99% GMAT scorer and professional GMAT tutor since 2002, and am fairly obsessed with this test. I also take the GMAT about once a year to stay up-to-date, including a personal best of 770 (47Q / 48V / 8 IR / 6.0 AWA). The GMAT Official Guide Quant Review 2018 (currently $13) receives my strong recommendation because it provides a great source of real GMAT questions at a decent price. It contains 300 GMAT Quant questions total, and 45 unique questions (15% new content) from the previous edition. The questions in this book tend to be on the easy side, however, so don’t forget to supplement your Quant studies with the GMATPrep tests, and Question Pack 1.One aspect of this book that you must understand is that it is not meant to teach you GMAT test-taking strategy. For that, look elsewhere (see product links below). However, it includes some of the very best practice materials available, straight from the test-maker, and although the answer explanations are often convoluted, they are still useful in understanding how the GMAC thinks.Why are the 2018 Official Guide the very best place to start your GMAT preparation, other than the free GMATPrep software? Because the questions within are super-realistic. They are just like the questions on the real GMAT, because the book is written by the test-maker and uses actual, retired GMAT questions. Don't waste your time and money practicing on questions made by any other companies--these are merely inferior imitations of the real thing. If you must use other materials for test strategy, then that's fine, and in most cases necessary, but try your best to stick to official questions whenever possible.——“45 NEVER-BEFORE SEEN QUESTIONS” / 15% NEW QUESTIONSApproximately 15% of the questions in this 2018 edition of the Quant OG are new to the Official Guide. However, it is worth noting that “never before seen” is not entirely true, since all of these questions are retired questions from past GMAT computer exams (it says so right there on the cover). A more accurate description would be “never before seen on paper,” but that probably wouldn’t sell as many copies.(For explanations and classifications of every question in the 2017 Official Guide, google "GMAT Club Guide to the GMAT Official Guide 2017.”)Are the questions from the 2018 version any better than the questions they are replacing from the 2017 edition? No, not really. All of the questions within are old questions from past GMAT exams (“retired questions”), so there is no guarantee that these 45 “new” questions are either any newer or any more helpful than are the questions they supplant from the 2017 edition of the GMAT OG. Moreover, early adopters of the 2018 edition will find that certain questions are so new that it’s hard to access online explanations until GMAT tutors like me (GMATClub username: mcelroytutoring) start posting them, which could take weeks or even months.While I will concede that the questions in this book are roughly ordered from easy to hard, there are some curious places where low-numbered questions are quite difficult for most of my students, and vice-versa. Thus, I think that we can’t necessarily take GMAC at its word here, especially since there has already been evidence in past official guides of the GMAC moving the exact same questions to radically different locations in the books, which suggests that we shouldn’t trust the GMAC at its word in this regard. If the questions are truly ordered from easy to hard, for example, then why would a question numbered in the 30s suddenly show up numbered in the 90s in the next year’s edition?— —A WARNING ABOUT THE DIFFICULTY LEVEL OF THE QUESTIONS IN THE OFFICIAL GUIDES:It is important to note that the difficulty level of questions in this book is sufficient for most test takers, but is admittedly a bit lacking on the high end. High scorers take note: If you are aiming for a GMAT score of 700-plus, then you should spend more time practicing on questions from the GMATPrep software and Exams Pack 1 and 2, which offer more difficult questions that will bear a closer resemblance to the questions you will see on your actual test day.Remember: the GMAT is an adaptive exam. If you answer a lot of questions right, then the test keeps getting harder (as your score rises), and if you answer a lot of questions wrong, then the test keeps getting easier (as your score lowers). And especially on the Quant section, the questions on the test are “front-loaded” so that the first 1/3 of questions have a much larger impact on your score than does the final 1/3 of questions. (There is a SEVERE penalty for not finishing the sections, however, so make sure that you give yourself time answer all the questions before time expires, even if they are just random guesses. At all costs, make sure to answer every question before time expires.)— —For those of you who are just getting started, here is the overall structure of the GMAT:1) Analysis of an Argument Essay (AWA or Analytical Writing Assessment): 30 minutes, 1 question.2) Integrated Reasoning (Multi-Source Reasoning, Table Analysis, Graphics Interpretation, Two Part Analysis): 30 minutes, 12 questions. Please note: unlike the Verbal and Quantitative sections, the IR section is not adaptive. For this reason, every time you try a GMATPrep Exam you will see the same 12 IR questions.3) Optional 8-minute break4) Quantitative Section (Problem Solving, Data Sufficiency): 75 minutes, 37 questions (2 minutes per question)5) Optional 8-minute break6) Verbal Section (Reading Comprehension, Critical Reasoning, Sentence Correction): 75 minutes, 41 questions (1.8 minutes per question)The GMAC has also recently announced that it will be rolling out a program, starting July 11, 2017, where GMAT test-takers will be able to select (out of 3 possible options) the order of their test sections! This promises to be a huge advantage, because the Verbal and Quant sections, which are not only the two toughest sections of the GMAT, but also the only two sections that contribute to one’s 200-800 composite score, have always been located at the end of the 4-hour test, when it’s harder to maintain focus. You will have the option to choose 1) Quant, 2) Verbal, 3) IR and 4) AWA or 1) Verbal, 2) Quant, 3) IR and 4) AWA. Personally, I prefer the final option.Keep in mind that on the GMAT you cannot go back or skip any questions, and that the first 12-15 questions of the Verbal and Quantitative sections have the most impact on your score due to the adaptive scoring algorithm. A correct answer will yield a slightly harder question in most cases, and vice versa, and the GMAT will gradually determine your score as you go. The largest adjustments are made at the beginning of the test, which is why the first 1/3 of questions are so essential. Also, approximately 10 to 25% of the questions on the actual GMAT (and 4 of the 12 IR questions) are experimental—you don’t know which ones they are, and they don’t count toward your score.— —Here are my recommended GMAT Resources:Practice:1) Free GMATPrep Software - 2 diagnostic CATs (Exams 1 and 2: 180 questions total) and 90 practice questions out of 1,500 possible questions2) GMAT 2018 Official Guide Bundle - 1 diagnostic test and over 1,500 practice questions and answer explanations GMAT Official Guide 2018 Bundle: Books + Online - about $493) GMATPrep Exam Pack 1 - 2 diagnostic CATs (Exams 3 and 4: 180 questions total) out of 400 possible questions - GMATPrep Exam Pack 1 [Online Code] $504) GMAT Prep Exam Pack 2 (New Release with 2 New Tests -- not yet available on Amazon) - 2 more diagnostic CATs (Exams 5 and 6: 180 questions total) out of 400 possible questions - $50Please note: you can save $10 by buying #3 and #4 together as an Exam Pack Bundle from the GMAT website for $90.5) GMATPrep Question Pack 1 - 404 questions with answer explanations and ability to sort questions by type and difficulty - $30 GMATPrep Question Pack 1 [Online Code]6) The Official Guide for GMAT® Review 2016 Mobile App The Official Guide for GMAT® Review 2016 -$5 for 50 questions and $30 upgrade for an additional 800 questions7) GMAT Focus Quizzes - 24 questions per quiz (math only) - $30 per quiz and 4 total. GMAT Focus Online Quantitative Diagnostic Tool: Single Use GMAT Focus Online Quantitative Diagnostic Tool: Single Use [Online Code]8) IR Prep Tool - 48 Integrated Reasoning Questions GMAT IR Prep Tool [Online Code] - $209) GMAT Write - 4 Auto-Graded Essays for $3010) GMAT Enhanced Score Report - Technically this is not a practice tool, but it provides an in-depth look at your score, including overall rankings, rankings by question type, time management information and a summary of your strengths and weaknesses, which can be helpful if you plan to take the test more than once. - $25Strategy:1) GMAT Club Forum - Free explanations to nearly every official GMAT question, as well as questions written by other companies (I do not recommend practicing on non-official questions).2) GMAT Quantum - Free video explanations to nearly every official GMAT quantitative question.3) GMATPrepNow - Free video explanations to many GMAT questions in both Quant and Verbal.4) Manhattan Prep GMAT Series: $144 for the entire series Complete GMAT Strategy Guide Set (Manhattan Prep GMAT Strategy Guides) or about $49 for access to 6 online CATs.5) Ace the GMAT by Brandon Royal: $8 for Kindle version Ace the GMAT: Master the GMAT in 40 Days6) LSAT Preptests for Extra Critical Reasoning and Critical Reading Practice: $20 for 10 tests 10 More, Actual Official LSAT PrepTests: (PrepTests 19 through 28) (Lsat Series)7) Magoosh Free Online Materials8) Powerscore Critical Reasoning Bible: $21 The PowerScore GMAT Critical Reasoning Bible9) Powerscore Reading Comprehension Bible: $35 The PowerScore GMAT Reading Comprehension Bible10) The Complete GMAT Sentence Correction Guide by Erica Meltzer The Complete GMAT Sentence Correction GuidePrinceton and Kaplan are OK for strategy too. I prefer Princeton Review’s GMAT guide (full disclosure: P.R. is my former employer) to Kaplan’s (in my humble opinion, a mediocre, corporate behemoth who somehow always manages to rank #1 on Amazon with lots of suspect 5-star reviews), but any effort to write an "all in one" guide to a test as complex as the GMAT is destined to be at least a partial failure. The Kaplan and Princeton guides can be helpful if you are a below-average scorer trying to obtain an above-average score without too much effort, but the perfectionists among us will be frustrated by their lack of depth and unrealistic practice questions.Finally, you can google "GMAT Action Plan" to read my personal, frequently updated recommendations for GMAT Prep.Please feel free to leave comments and/or ask questions below--I enjoy analyzing the intricacies of this challenging test, and I will always try to respond in a timely manner.

The actual GMAT test questions in the test are more deceptive than what is presented in this review. Although it is nice to have the problems laid out in a seemingly linear order, I found it to be difficult to judge my performance on the quantitative section based on this text alone. When used in conjunction with a GMAT book geared towards methodology, you find a happy medium that allows you to perform quicker and more efficiently on test day. My recommendation is to use this this book after reviewing the quantitative section of whatever prep book you have chosen. The answers are often wordy and confusing when approached using the GMAC methodology. Answers are often found quicker and more efficiently through other methods than what this book covers.

Founded by a Stanford MBA, GMAT Genius offers the highest quality GMAT preparation services to GMAT aspirants worldwide. Our mission is crystal-clear: to help you achieve GMAT success. We provide extensive free GMAT prep advice on the GMAT Genius website: read all about the GMAT, gain crucial strategy tips, learn how to best approach each question type, obtain optimal test preparation methods, discover effective GMAT study habits, and much more. In addition, we offer personalized GMAT tutoring to students worldwide. Please let us know if we can provide any assistance with your GMAT prep.GMAT Genius has thoroughly analyzed the 2018 Official Guides and we want to share our insights with you. Feel free to read our detailed analysis of the 2018 GMAT Quantitative Official Guide or skip down to our conclusions. Please note that you can view this same review with the data in nicely formatted tables on the GMAT Genius blog. Wishing you tremendous success with the GMAT!OVERVIEW of OFFICIAL GUIDEThe Official Guides for GMAT Review contain retired real GMAT questions, and are an essential component of your GMAT preparations. The GMAC places questions in order of increasing difficulty, based on its assessment of difficulty. The Quantitative Official Guide has no overlap with questions in the main Official Guide.The 2018 edition of this book contains 45 new questions out of the 300 total questions, representing 15% new content. These are new questions that we have not encountered before; they are not questions recycled from older GMAC resources.PROBLEM SOLVINGThis guide contains 176 Problem Solving questions. The GMAC classifies question difficulty into three categories as follows:Easy – 89 (51%, 4 more than 2017)Medium – 43 (24%, 9 fewer)Hard – 44 (25%, 5 more)The Problem Solving section contains 26 new questions, with difficulty of Easy / Medium / Hard as follows: 15 / 5 / 6. This is in lieu of 26 questions from the 2017 edition that have been removed, with difficulty of Easy / Medium / Hard as follows: 11 / 14 / 1. Unlike in prior years, the GMAC has not reclassified the difficulty of any question.GMAT Genius classifies question difficulty into five categories. Our assessment skews slightly more towards the center, but contains notable differences from the GMAC. Our difficulty assessment is only 76.1% correlated with the GMAC’s assessment, clearly showing that there is subjectivity involved in assessing question difficulty. Here’s our breakdown:Super Easy – 21 (12%, 1 fewer than 2017)Easy – 55 (31%, same)Medium – 62 (35%, 1 fewer)Hard – 30 (17%, 1 more)Very Hard – 8 (5%, 1 more)Although many math questions entail multiple math concepts, GMAT Genius classifies questions based on our assessment of the primary math concept. We break down the 176 Problem Solving questions as follows:Arithmetic - Basic: 16 (9.1%, 2 more than 2017)Arithmetic - Absolute Value: 3 (1.7%, same)Arithmetic - Divisibility/Factors/Mult.: 7 (4%, 3 fewer)Arithmetic - Exponents & Roots: 8 (4.5%, 1 fewer)Arithmetic - Fractions & Ratios: 22 (12.5%, 1 more)Arithmetic - Percents: 12 (6.8%, 3 fewer)Arithmetic - Pos/Neg & Odd/Even: 1 (0.6%, 2 fewer)Algebra - Inequalities: 4 (2.3%, 1 more)Algebra - Linear Equations: 9 (5.1%, same)Algebra - Quadratics: 10 (5.7%, 2 more)Algebra - Simultaneous Equations: 6 (3.4%, same)Algebra - Variables in Answers: 5 (2.8%, 1 more)Geometry - Circles: 4 (2.3%, same)Geometry - Coordinate: 5 (2.8%, same)Geometry - Rectangles: 5 (2.8%, same)Geometry - Triangles: 4 (2.3%, same)Geometry - Other: 4 (2.3%, same)Statistics - Averages: 14 (8%, 1 more)Statistics - Other: 3 (1.7%, same)Word Problems - Combinatorics: 4 (2.3%, same)Word Problems - Functions & Sequences: 12 (6.8%, same)Word Problems - Groups/Sets: 3 (1.7%, 1 more)Word Problems - Probability: 2 (1.1%, same)Word Problems - Revenue/Profit/Interest: 5 (2.8%, 1 more)Word Problems - Rate & Work: 8 (4.5%, 1 fewer)Here’s a list of the 26 new Problem Solving questions: 13, 22, 29, 31, 52, 55, 65, 70, 71, 73, 74, 75, 78, 85, 89, 92, 99, 102, 104, 117, 135, 141, 144, 156, 165, 168Here’s a list of the 176 Problem Solving questions categorized by primary math concept:Arithmetic - Basic: 2, 5, 21, 44, 45, 67, 75, 77, 85, 88, 89, 92, 94, 100, 162, 170Arithmetic - Absolute Value: 95, 105, 150Arithmetic - Divisibility/Factors/Multiples: 52, 86, 103, 114, 122, 171, 173Arithmetic - Exponents & Roots: 34, 36, 38, 48, 90, 112, 143, 160Arithmetic - Fractions & Ratios: 8, 20, 24, 35, 40, 43, 46, 49, 54, 55, 60, 64, 73, 74, 78, 83, 84, 91, 108, 136, 144, 176Arithmetic - Percents: 7, 17, 28, 30, 47, 59, 99, 111, 117, 118, 132, 168Arithmetic - Pos/Neg & Odd/Even: 14Algebra - Inequalities: 4, 29, 101, 163Algebra - Linear Equations: 3, 9, 13, 15, 18, 42, 50, 71, 98Algebra - Quadratics: 1, 19, 22, 33, 63, 66, 110, 121, 128, 156Algebra - Simultaneous Equations: 12, 25, 31, 32, 41, 133Algebra - Variables in Answers: 16, 39, 102, 120, 125Geometry - Circles: 37, 134, 151, 169Geometry - Coordinate: 26, 87, 96, 109, 115Geometry - Rectangles: 11, 27, 104, 129, 175Geometry - Triangles: 62, 68, 140, 164Geometry - Other: 23, 139, 146, 149Statistics - Averages: 10, 58, 61, 82, 93, 107, 119, 126, 131, 135, 147, 148, 153, 161Statistics - Other: 72, 79, 81Word Problems - Combinatorics: 152, 154, 155, 157Word Problems - Functions & Sequences: 53, 56, 69, 76, 80, 116, 127, 137, 138, 145, 159, 166Word Problems - Groups/Sets: 106, 141, 142Word Problems - Probability: 158, 167Word Problems - Revenue/Profit/Interest: 6, 65, 124, 165, 172Word Problems - Rate & Work: 51, 57, 70, 97, 113, 123, 130, 174DATA SUFFICIENCYThis guide contains 124 Data Sufficiency questions. The GMAC classifies question difficulty into three categories as follows:Easy – 27 (22%, 1 more than 2017)Medium – 33 (27%, 2 more)Hard – 64 (52%, 3 fewer)In the Data Sufficiency section, questions are not fully presented in order of progressive difficulty, contrary to what the back cover of the book claims. Based on difficulty levels provided in the online version, Medium and Hard difficulty questions are interspersed. The following lists the question numbers for each difficulty level:Easy – 177-203Medium – 204-235, 239Hard – 236-238, 240-300The Data Sufficiency section contains 19 new questions, with difficulty of Easy / Medium / Hard as follows: 2 / 6 / 11. This is in lieu of 19 questions from the 2017 edition that have been removed, with difficulty of Easy / Medium / Hard as follows: 1 / 4 / 14. The GMAC has not reclassified the difficulty of any question.GMAT Genius classifies question difficulty into five categories. Our assessment skews significantly towards the easier side, and contains notable differences from the GMAC. Our difficulty assessment is only 68.5% correlated with the GMAC’s assessment, demonstrating tremendous subjectivity involved in assessing question difficulty. Here’s our breakdown:Super Easy – 12 (10%, 1 more than 2017)Easy – 25 (20%, 3 fewer)Medium – 54 (44%, same)Hard – 27 (22%, 2 more)Very Hard – 6 (5%, same)Although many math questions entail multiple math concepts, GMAT Genius classifies questions based on our assessment of the primary math concept. We break down the 124 Data Sufficiency questions as follows:Arithmetic - Basic: 3 (2.4%, 2 fewer than 2017)Arithmetic - Absolute Value: 1 (0.8%, same)Arithmetic - Divisibility/Factors/Mult.: 8 (6.5%, 2 more)Arithmetic - Exponents & Roots: 12 (9.7%, 1 fewer)Arithmetic - Fractions & Ratios: 8 (6.5%, same)Arithmetic - Percents: 6 (4.8%, same)Arithmetic - Pos/Neg & Odd/Even: 5 (4%, same)Arithmetic - Primes: 3 (2.4%, 1 more)Algebra - Inequalities: 12 (9.7%, 2 more)Algebra - Linear Equations: 3 (2.4%, same)Algebra - Quadratics: 7 (5.6%, 2 more)Algebra - Simultaneous Equations: 9 (7.3%, 5 fewer)Geometry - Circles: 6 (4.8%, 1 more)Geometry - Coordinate: 4 (3.2%, same)Geometry - Rectangles: 3 (2.4%, same)Geometry - Triangles: 3 (2.4%, same)Geometry - Other: 2 (1.6%, same)Statistics - Averages: 6 (4.8%, same)Statistics - Other: 5 (4%, same)Word Problems - Functions & Sequences: 7 (5.6%, same)Word Problems - Groups/Sets: 4 (3.2%, 1 more)Word Problems - Probability: 1 (0.8%, 1 fewer)Word Problems - Revenue/Profit/Interest: 2 (1.6%, same)Word Problems - Rate & Work: 4 (3.2%, same)Here’s a list of the 19 new Data Sufficiency questions: 178, 193, 215, 216, 224, 226, 231, 239, 244, 246, 247, 257, 270, 281, 283, 285, 291, 295, 296Here’s a list of the 124 Data Sufficiency questions categorized by primary math concept:Arithmetic - Basic: 177, 180, 234Arithmetic - Absolute Value: 214Arithmetic - Divisibility/Factors/Multiples: 221, 224, 238, 247, 257, 272, 296, 297Arithmetic - Exponents & Roots: 184, 210, 226, 240, 251, 254, 267, 268, 271, 282, 285, 300Arithmetic - Fractions & Ratios: 182, 190, 201, 204, 233, 243, 255, 295Arithmetic - Percents: 193, 199, 208, 222, 253, 266Arithmetic - Pos/Neg & Odd/Even: 189, 196, 198, 213, 237Arithmetic - Primes: 219, 270, 281Algebra - Inequalities: 181, 188, 192, 200, 206, 215, 227, 231, 249, 252, 263, 276Algebra - Linear Equations: 195, 218, 250Algebra - Quadratics: 232, 239, 259, 265, 273, 279, 283Algebra - Simultaneous Equations: 178, 202, 203, 217, 223, 230, 242, 269, 284Geometry - Circles: 209, 216, 236, 256, 258, 278Geometry - Coordinate: 191, 260, 290, 299Geometry - Rectangles: 179, 185, 248Geometry - Triangles: 261, 275, 291Geometry - Other: 205, 207Statistics - Averages: 194, 211, 228, 241, 244, 245Statistics - Other: 225, 229, 235, 262, 294Word Problems - Functions & Sequences: 197, 220, 264, 277, 280, 286, 287Word Problems - Groups/Sets: 246, 274, 288, 293Word Problems - Probability: 292Word Problems - Revenue/Profit/Interest: 183, 186Word Problems - Rate & Work: 187, 212, 289, 298ONLINE INTERFACEThe book includes an access code (see inside front cover) that provides 12-month usage of an online version of this Official Guide. The online practice interface is the same as it was previously, except that the onerous limit of 10 saved sessions has been increased to 25 saved sessions in Exam Mode plus 25 saved sessions in Practice Mode (which you should not use, as mentioned below). The 100 questions from the Diagnostic Test chapter of the main Official Guide, but that are not contained in this printed book, are available in a separate tab that works with Exam Mode functionality.Since the GMAT is a computer-based test, we believe that it is advisable to work though the questions online. We strongly suggest that you use Exam Mode rather than Practice Mode, since we recommend that students practice using timed question sets that replicate test day conditions. The functionality of the online platform is good overall. You can choose practice sets by question type and difficulty level. Every question lists the corresponding book question number for easy cross-referencing.OTHER NOTESThe Official Guides are for practicing with real GMAT questions, not for learning the underlying concepts. The book contains a 40-page Math Review section that provides a very high-level overview of the math concepts tested on the GMAT. This math review will be highly inadequate except perhaps for the most advanced math students. We recommend that you use additional study materials to learn the math concepts.Although all questions include answer explanations, many GMAT test takers are far from satisfied with these explanations. The explanations can be brief and hard-to-understand for non-advanced students. Furthermore, certain explanations are convoluted and overlook more efficient approaches.CONCLUSIONSThe Quantitative Official Guide has three primary weaknesses, in our opinion:1) An insufficient amount of difficult practice questions, particularly based on GMAT Genius’ assessment of difficulty.2) Math answer explanations that are too often either brief or convoluted.3) In the Data Sufficiency section, questions are not fully presented in order of progressive difficulty, contrary to what the back cover of the book claims.Despite these flaws, the Quantitative Official Guide is an essential source of GMAT practice, and nicely supplements the main GMAT Official Guide for additional practice questions. We believe that every GMAT aspirant must use this book (or the prior edition). For these reasons, we give this book a 5-star rating. For the best value, we recommend purchasing this book as part of the GMAT Official Guide 2018 Bundle: Books + Online. If you already have the 2017 edition of this book, however, the replacement of 45 questions is not sufficient to make this edition worth purchasing.

The practice questions are great, and the explainations for each question are easy to understand. I definitely feel more confident going into the GMAT, thanks to this book. The background information that describes what to expect on testing day should helped calm my nerves. I can’t say that I used the online component, but I’m sure it is helpful too, Based on how great the rest of the book is.

I gave it a four only (would really give it 3.5 stars) because there really isn't much math help, it's def. not an math instructional manual. It does a ample job of telling you what will be on the test and many practice problems as well as access to an online testing tool but, if you are like me; don't remember much about high school math taken more than a decade ago, you'll need to buy a math instructional book as well.

Starts with basics and ends up stabbing your brain with ice picks. The complexity of the math picks up gradually though.

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GMAT Official Guide 2018 Quantitative Review: Book + Online (Official Guide for Gmat Quantitative Review) PDF

GMAT Official Guide 2018 Quantitative Review: Book + Online (Official Guide for Gmat Quantitative Review) PDF