## Articles by GMAT Prep Now

• ### Basic Building Blocks of Grammar – Part II

by on October 15th, 2016

In my last article, I stressed the importance of developing a deep understanding of the basic building blocks of standard written English (nouns, objects, clauses, verbs, etc.). In this article, we continue our … Read More

• ### Basic Building Blocks of Grammar – Part I

by on October 11th, 2016

When students begin studying the grammar tested on the GMAT, they often discover they’re unfamiliar the terms used to describe the various roles that words can play. Consider the following snippets from the Official … Read More

• ### GMAT Growth Tables

by on October 5th, 2016

Try answering the following question: A certain island has 11 rats. If the rat population doubles every 3 months, what will be the population in 15 months? A) B)  C)  D)  E)  Although some of you may see the correct … Read More

• ### Conquering GMAT Inequality Questions – Part I

by on March 4th, 2016

Many GMAT students struggle with inequality questions. In this article, we’ll examine some must-know concepts and strategies. The first video covers the fundamentals of inequalities, and the next two videos feature … Read More

• ### Equations Involving Absolute Value

by on January 15th, 2016

The concept of absolute value is pretty straightforward when we consider numerical values only. For example, most students have little difficulty evaluating expressions like |-8|, |11| and |-2.3|. However, when we add … Read More

• ### The Number of Solutions to a System of Linear Equations

by on January 13th, 2016

Consider the following Data Sufficiency question: What is the value of ? 1) 2) For this question, many students will immediately recognize that each statement ALONE is not sufficient to answer the target question. … Read More

• ### Everything You Need to Know About Critical Reasoning – Part IX

by on December 30th, 2015

This is the last article in a 9-part series covering every concept and strategy one needs to tackle Critical Reasoning (CR) questions on the GMAT. The two videos below examine Evaluate the Conclusion questions. The first … Read More

• ### Everything You Need to Know About Critical Reasoning – Part VIII

by on December 28th, 2015

In this 9-part series, we’ll cover every concept and strategy one needs to tackle Critical Reasoning (CR) questions on the GMAT. The 2 videos below examine Paradox questions. The first video explains the strategy for … Read More

• ### Everything You Need to Know About Critical Reasoning – Part VII

by on December 23rd, 2015

In this 9-part series, we’ll cover every concept and strategy one needs to tackle Critical Reasoning (CR) questions on the GMAT. The 2 videos below examine Flawed Argument questions. The first video explains the … Read More

• ### Everything You Need to Know About Critical Reasoning – Part VI

by on December 19th, 2015

In this 9-part series, we’ll cover every concept and strategy one needs to tackle Critical Reasoning (CR) questions on the GMAT. The 4 videos below examine Structure questions. The first video explains the strategy for … Read More

• ### Everything You Need to Know About Critical Reasoning – Part V

by on December 14th, 2015

In this 9-part series, we’ll cover every concept and strategy one needs to tackle Critical Reasoning (CR) questions on the GMAT. The two videos below examine Conclusion/Inference questions. The first video explains the … Read More

• ### Everything You Need to Know About Critical Reasoning – Part IV

by on December 10th, 2015

In this 9-part series, we’ll cover every concept and strategy one needs to tackle Critical Reasoning (CR) questions on the GMAT. The 2 videos below examine Assumption questions. The first video explains the strategy … Read More

• ### Everything You Need to Know About Critical Reasoning – Part III

by on December 7th, 2015

In this 9-part series, we’ll cover every concept and strategy one needs to tackle Critical Reasoning (CR) questions on the GMAT. The 2 videos below examine a very common CR question type called Strengthen the … Read More

• ### Everything You Need to Know About Critical Reasoning – Part II

by on December 3rd, 2015

In this 9-part series, we’ll cover every concept and strategy one needs to tackle Critical Reasoning (CR) questions on the GMAT. The 4 videos below examine a very common CR question type called Weaken the … Read More