GMAT Exponents – Rules and Applications
What You Need to Know About GMAT Exponents Exponents are among the common algebra concepts that you can expect to encounter on the GMAT quantitative section — primarily on problem solving questions, but occasionally on data sufficiency questions as well. Definition: An exponent, or power, refers to the number of times a number (called the […]
Multiples and Divisibility
GMAT Divisibility Problems Certain problem solving and data sufficiency questions on the GMAT concern what I call number theory, where you need to determine whether one number is a factor or multiple of another number. They can be tricky, but there’s a fundamental principle that, once you understand it, will help make these types of […]
Data Sufficiency GMAT – Yes/No Questions
GMAT Data Sufficiency – Yes/No Questions “Yes/No” questions are a common pattern of GMAT Data Sufficiency problems. In other words, they’re questions where the answer to the question itself will be either “Yes” or “No”. For example: Is x>0? (1) … (2) … Either x is greater than zero or it’s not. Yes or no. […]
New GMAT Format 2012
New GMAT Format – with Integrated Reasoning If you’re planning to take the GMAT after June 5, 2012, make sure you’re ready for the new GMAT format — what the GMAC is calling the “Next Generation GMAT with Integrated Reasoning.” How will it be different from the current version? What should you be doing to […]
GMAT Sample Questions – GMAT Quadratic Equations
GMAT Problems – Quadratic Equations Quadratic equations are among the most advanced algebra concepts tested on the GMAT. You will encounter quadratic equations on both Problem Solving and Data Sufficiency question types on the GMAT quantitative section. Fear not — they need not be scary! There are just a few basic things you must know. […]
GMAT Geometry – Area of Shaded Regions
Finding the Area of a Shaded Region on the GMAT A common GMAT problem solving question asks the test-taker to find the area of a shaded region. For example, in the figure to the right, how would you find the area of the shaded region? Unlike finding the area of a traditional geometric shape (e.g. […]
Get Ready for the “NEW” GMAT
Next Generation GMAT with Integrated Reasoning I heard it said once that the only constant in life is change. That may be true, yet it seems like nobody really likes change. Why, then, would the GMAC up and change the GMAT after so many years when the GMAT seems to have been doing its job […]
Finding the Area of Shaded Regions
Annulus In the world of GMAT geometry, the more advanced problems combine geometric figures. You may know the rules of triangles or quadrilaterals or circles individually, but what if a couple of figures appear combined in the same question? Often those questions come in the form of finding a shaded area, and a particular type […]
How to Answer GMAT Questions – Tip of the Week
GMAT Strategy: Eliminate Wrong Answers Tip of the Week for the week of October 31, 2011 This week’s GMAT tip* is to use common sense to eliminate “eye catcher” and other clearly wrong answer choices, especially on GMAT problem solving question. Watch how this powerful GMAT strategy plays out in a sample GMAT probability question: […]
GMAT Probability Questions – Matrix Problems
GMAT Probability Questions Easier Strategy for Solving “Matrix” Problems There is a special subset of GMAT probability problems often categorized as “matrix problems,” and they are particularly difficult for many students for a couple of reasons. First, students often don’t immediately recognize them for the type of question they are, often confusing them for “sets” […]
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