GMAT Math Articles

A lot of GMAT testtakers vaguely remember a rule from high school, that it’s possible to solve for two variables if and only if you’re given two equations, and generally that it’s possible to solve for n variables … Read More

A lot of GMAT testtakers vaguely remember a rule from high school, that it’s possible to solve for two variables if and only if you’re given two equations, and generally that it’s possible to solve for n variables … Read More

The Graphics Interpretation problems present us with a piece of data in the form of a graph, Venn diagram, scatter plot, etc. Before we start with a few practice problems, let’s share the links to the BTG articles that … Read More

A lot of GMAT testtakers vaguely remember a rule from high school, that it’s possible to solve for two variables if and only if you’re given two equations, and generally that it’s possible to solve for n variables … Read More

The series of ten Manhattan Prep Sixth Edition Strategy Guides were released in December 2014 and each guide provides contentbased curricula that has been developed by instructors who have scored in the 99th percentile … Read More

Happy Monday! After breaking down the GMAT topics into the main question types, the GMAT Avengers are now ready to take it to the next level. During the upcoming months, the study group will focus on challenge problems … Read More

I’ve seen this happen many times before. It leaves students bewildered because all of the signs that would lead them to expect a lower score are absent. They did not run out of time, they did not have to guess at … Read More

Consider the following scenario: Suppose you solve for all the numbers in a Venn Diagram, in a scenario in which 200 students are taking AP Chemistry, AP Literature, both, or neither. Here are the results you find: OK, … Read More

Start the year off strong by diving in to your GMAT prep with vigor (or renewed vigor, as the case may be). The math section is often the most feared, but the quantitative content on the GMAT is definable and … Read More

When the rate is a rate of work being done, then when two people work together, their combined rate is the SUM of their respective individual rates. We need to make sure what are we adding are the rates, not anything … Read More

After looking at Guide 0 (GMAT Roadmap: Expert Advice Through Test Day) I was ready to see what the Manhattan Prep GMAT series could offer in terms of Quantitative preparation for prospective students who were looking … Read More

Let’s first talk about Simple Interest and Compound Interest. Simple Interest – The formula for SI is principal * interest rate * time, where “principal” is the starting amount and … Read More

If you haven’t been following our series on RTD tables, take a few minutes to catch up: Using Diagrams to Solve Rate Problems: Part 1 Using Diagrams to Solve Rate Problems: Part 2 A Different Use of the RTD Table: Part … Read More

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 … Read More