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 ApexGMAT | Sep 1, 2021 | GMAT, Quant

Additional Voters – GMAT Quant Problem Hey guys, today we’re going to look at a particularly challenging GMAT Quant problem that just about everyone resorts to an algebraic solution path on, but there’s a very elegant part solution path. When we take...
by ApexGMAT | Apr 14, 2021 | Arithmetic, GMAT, Quant

GMAT Percentage Problems Hey guys, GMAT Percentage problem/s are commonplace on the GMAT and today we’re going to take a look at one that is straightforward but could very easily get you caught up with the math. In this problem, notice that there’s the...
by ApexGMAT | Mar 29, 2021 | GMAT, Number Theory, Quant

By: Rich Zwelling (Apex GMAT Instructor) Date: 30th March 2021 As I said in my previous post, GMAT Prime Numbers are my favorite topic. This is because not only are they inherently interesting mathematically but they show up in unexpected circumstances on GMAT...
by ApexGMAT | Mar 17, 2021 | GMAT, Quant, Sequences

Key Information to Know About Sequences Hey guys! When we see sequences on the GMAT whether in the problem solving or the data sufficiency section they have two important characteristics. One is how they work, the other is anchoring the sequence to a particular set of...