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# Category: GMAT Math

• ## GMAT Quant: Mathematical Grouping Symbols

This post was updated in 2024 for the new GMAT. Let’s talk GMAT mathematical grouping symbols. Many folks remember Order of Operations by means of the mnemonic PEMDAS.  Just for review, PEMDAS is a quick way to remember the following order of mathematical prioritization: Priority #1: P = Parentheses Priority #2: E = Exponents Priority…

• ## GMAT Math: Terminating and Repeating Decimals

This post was updated in 2024 for the new GMAT. You might not feel decimals are the most exciting thing in the world, but just look at our friend , a decimal with its own holiday! In this edition of GMAT Math, we’re going over two specific types of decimals: terminating and repeating decimals.  Learn…

• ## GMAT Quant: Roots

This post was updated in 2024 for the new GMAT. Master these seemingly intimidating mathematical symbols! Practice Questions First, try these practice questions. 1) The numbers a, b, and c are all non-zero integers. Is a > 0? Statement #1: Statement #2:   2) The numbers a, b, and c are all non-zero integers. Is…

• ## GMAT Work Rate Problems

Want to know how to solve GMAT work rate problems accurately and quickly? We’ll show you how, then let you practice with GMAT rate problems!

• ## GMAT Math: Calculating Combinations

This post was updated in 2024 for the new GMAT. First, a few practice questions.  Remember — no calculator! 1) A radio station has to choose three days of the seven in a week to broadcast a certain program, and that set will repeat each week.  The program can be broadcast equally on any of…

• ## GMAT Math: The Probability “At Least” Question

This post was updated in 2024 for the new GMAT. Ready to refresh your memory on GMAT probability rules? In this post, we will focus on probability questions involving the “at least” probability.

• ## Challenging Coordinate Geometry Practice Questions

This post was updated in 2024 for the new GMAT. Earlier, we featured a blog of Coordinate Geometry practice questions.  Here are eight more questions, some of which are challenging. 1) Graph G has a line of symmetry of x = –5/2.  Graph G passes through the point (3, 3).  What is the x-coordinate of…

• ## GMAT Probability Rules

For those of you who are ready to take on GMAT probability, here is the absolute bare minimum you need to know to successfully attack probability calculations on the GMAT: The Simplistic Probability Rules “AND” means MULTIPLY “OR” means ADD Is that the entire story? Well, no. But! If you can’t remember, or don’t understand anything…

• ## GMAT Probability Rules

In this post, we’ll go over the main GMAT probability rules you need to know. To find out where probability sits in the “big picture” of GMAT Quant, check out our breakdown of GMAT quant concepts. GMAT Probability Practice Questions First, some practice questions.  The scenario below is relevant to questions #1-#3. There are two…

• ## GMAT Probability: Difficult Dice Questions

This post was updated in 2024 for the new GMAT. Dice problems aren’t too common on GMAT quant. As for the exact probability of getting a dice problem is something only privy to those over at GMAC. While it is a good idea to know your dice basics, doing so will only help you in…