by Apex Marketing | Nov 29, 2022 | GMAT, Number Theory, Quant

Welcome back to our series on number properties. In the last article, we learned about place-value problems. This article will cover the related topic of switching digits in two-digit integers. Here are some examples of what that means: 75 <-> 57 39 <-> 93...
by Apex Marketing | Oct 6, 2022 | EA, GMAT, Quant

Understanding Exponents A key piece of algebraic notation on GMAT and Executive Assessment (EA) quant problems is the exponent. Exponents appear on many kinds of quantitative problems, so fluency with exponents (and radicals) is an indispensable skill for achieving a...
by Apex Marketing | Oct 4, 2022 | EA, GMAT, Quant

Welcome to the final article in our series on exponents. Some GMAT and Executive Assessment (EA) quant problems feature impossibly large numbers like 287459. These are problems that you simply can’t hope to solve without a key piece of knowledge that we call units...
by ApexGMAT | Jul 9, 2020 | GMAT, Meta-Strategy, Test Reading

More than 250,000 students take the GMAT every year as a requirement to get into the thousands of different MBA, EMBA, MFin, MAcct, and Management PhD programs worldwide. However, due to the complexity of the exam as well as its adaptive difficulty, only the top 12%...
by ApexGMAT | Jun 11, 2020 | Algebra, GMAT, Quant

The Snack shop GMAT problem is an average or a mean problem. A characteristic of many average problems is that one big takeaway right at the outset is that the answer choices are clustered tightly together. We want to refrain from making any calculations. The problem...