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- by Katharine Rudzitis Average speed problems are common on the GMAT. These questions can be tricky if you haven’t practiced solving them, because the most obvious answer choice is a trap. To see why, try the following problem: Joe drives...
In the last article, we learned the algebraic approach and the input-output approach for solving questions with variables in the answer choices (VIACs). In that article, I ended by saying that, while the input-output approach is often...
Not all GMAT practice questions are equal. Learn to spot substandard GMAT questions so you don’t waste precious study time and energy.   by Brent Hanneson and David Sovka, GMAT Prep Now.   Just like your grandmother probably told you, the...
In this article, we’ll examine two different approaches you can take when solving questions with variables in the answer choices (also known as VIACs). To begin, please try the following question:   Townville has X residents, and Y of them...
Consider the following two questions:   Question #1: If 10 is the greatest common divisor of positive integers x and y, and 20 is the lowest common multiple of x and y, what is the value of xy? A) 15 B) 20 C) 30 D) 100 E) 200   Question #2...
by Patti Conner While it's one thing to be well-prepared for the analytical writingsection of the GMAT, it's another to feel completely confident about how you approach telling your own story in your MBA application.   There are plenty of...
Algebraic techniques can often help us solve word problems. The process typically involves assigning one or more variables, writing an equation (or two or three), and then solving that equation. It sounds easy enough, but creating an...
To set up this article, please try solving the following question:   x and y are positive integers. When x is divided by 11, the remainder is 5, and when x is divided by 34, the remainder is 27. When y is divided by 17, the remainder is 11...
In this article, we’ll examine how to make Data Sufficiency questions easier by simplifying the target question before examining the two statements. To set the stage, try solving the following question:               Is 4^(3x + y) = 8^(2x...
In my last article, we looked at a mistake that many people make when dealing with successive increases and decreases. In this article, we’ll examine another common error. To set the stage, please answer the following question:   If...

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