# GMAT Math: Possibilities for Variables

- Nov 16, 09:00 AM   Comments [0]

How do we know what the possible values for a variable on the GMAT are?  First of all, consider this DS problem 1) Is P > Q? Statement #1: P = 5*Q Statement #2: P = Q + R For folks who are not as comfortable with math, or are...

# Pythagorean Triplets to Memorize for the GMAT

- Nov 14, 09:00 AM   Comments [0]

Learn the most common solutions to the Pythagorean Theorem There aren't many numbers you need to memorize for success on the GMAT Quantitative section, but knowing a few key Pythagorean triplets will save you a ton of time.  First, try these GMAT practice question: remember: no calculator! 1)...

# GMAT Coordinate Geometry: Distance Between Two Points

- Nov 12, 09:00 AM   Comments [2]

How do you find the distance between two points in the x-y plane?  First, try these practice questions. 1) What is the distance from (–7, 2) to (5, –3)? 10 11 12 13 14 2) Consider the three points in the x-y plane: P = (8, 4), Q = (6, 7), and R...

# Statistical Significance on the GMAT

- Nov 9, 09:00 AM   Comments [0]

This is the last post in the series of articles on real-life facts you need to know for GMAT Critical Reasoning. Here's the full list: Economics: Supply and Demand Economics: Labor and Wages Economics: Inflation, unemployment, and interest rates Law: "beyond any reasonable doubt" Statistics: Statistical significance Statistical significance Most research in the...

# GMAT AWA Example Essay

- Nov 7, 09:00 AM   Comments [2]

See an ideal sample argument essay presented for this AWA prompt.  In the previous post, I demonstrated some brainstorming and identified six objections to this argument.  I then selected three of them as the basis of the essay that follows.  This is one way to go about...

# Brainstorming for GMAT AWA

- Nov 5, 09:00 AM   Comments [0]

How do you begin the AWA? Of course, as of June, 2012, there is only one essay, the Argument essay, on the GMAT.  Suppose you are faced with the following AWA Argument prompt (this is the very last prompt listed in the OG13): The following appeared in a...

# Compare and Contrast vs. Pros and Cons on the GMAT

- Nov 2, 09:00 AM   Comments [0]

What is the difference between these two GMAT tasks? Some GMAT Reading Comprehension passages or AWA questions will have a "compare and contrast" type question.  Others will ask us to compare "the pros and cons" or "the benefits and liabilities" or "the advantages and drawbacks" of...

# GMAT Integrated Reasoning: Scatterplots

- Oct 31, 09:00 AM   Comments [1]

One of the most common types of graphs is statistics and in the quantitative sciences is a scatterplot.  A scatterplot is a way of displaying bivariate data: that is, data in which we measure two different variables for each participant.  For example, suppose we ask several people both their...

- Oct 29, 09:00 AM   Comments [0]

Learn this powerful math trick for GMAT Problem Solving questions.  First, try these two practice GMAT Quantitative section Problem Solving questions. 1) Bert left the house with N dollars.  He spent 1/4 of this at the hardware store, then \$7 at the dry cleaners, and then half...

# GMAT Labor and Wages

- Oct 26, 09:00 AM   Comments [0]

This is the second post in the series of articles on real-life facts you need to know for GMAT Critical Reasoning. Here's the full list (we'll update it with links as we go!): Economics: Supply and Demand Economics: Labor and Wages Economics: Inflation, unemployment, and interest rates Law: "beyond any...