Performing well on the quantitative section of GMAT requires a mix of math theory, test taking strategy, and critical thinking skills. While it’s important not to approach the quant section of the GMAT like a math test, it is also helpful to have logged certain facts and formulas in your brain. Most of the math theory you need to know does not go beyond high school algebra, so you’ve almost certainly “known it” before. You just need to re-learn and refresh.

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## How to Approach GMAT Combinatorics: Key Principles

Posted by Morgan Bissett-Tessier on Tue, Feb 09, 2021 @ 01:19 PM

#### Combinatorics is the art of counting. You’ll need to understand this art to do well on the GMAT.

It is common for GMAT students looking for a 700+ score to have many questions about GMAT combinatorics problems. These are the GMAT questions that ask you to count up all the possible arrangements of individuals and groups in a variety of situations: How many ways can 5 men and 5 women be ordered in a line? How many high fives occur in a group of 15 people on a basketball team? GMAT tutors often find themselves spending an inordinate amount of time helping students improve their ability to answer these types of GMAT questions.

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## 2018 Official Guide to the GMAT Review Series: Problem #23 (Algebra Distance-Rate Problems)

Posted by John Easter on Fri, Aug 31, 2018 @ 02:43 PM

This post is the fourth in our series on using strategies to answer specific questions from the 2018 Official Guide. Here, one of our most experienced GMAT tutors, John Easter, analyzes a question about distance-rate.

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## 2018 Official Guide to the GMAT Review Series: Problem #17 (Direct Calculation)

Posted by John Easter on Wed, Aug 29, 2018 @ 02:42 PM

This post is the third in our series on using strategies to answer specific questions from the 2018 Official Guide. Here, one of our most experienced GMAT tutors, John Easter, analyzes a question about direct calculation.

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## 2018 Official Guide to the GMAT Review Series: Problem #44 (Problem Solving - Prime numbers)

Posted by John Easter on Mon, Jul 23, 2018 @ 09:55 AM

Problem #44 of the 2018 Official Guide to the GMAT states that if n is a prime number greater than 3, what is the remainder when n^2 is divided by 12?

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## 2018 Official Guide to the GMAT Review Series: Problem #167 (Back solving Variable in Choices)

Posted by John Easter on Mon, Jul 16, 2018 @ 10:25 AM

in this series, one of our most experienced GMAT tutors, John Easter, applies useful strategies to answer questions from the 2018 Official Guide.

Problem #167 of the 2018 Official Guide to the GMAT states that four extra-large sandwiches of exactly the same size were ordered for m students where m>4. Three of the sandwiches were evenly divided among the students. Since 4 students did not want any of the fourth sandwich, it was evenly divided among the remaining students. If Carol ate one piece from each of the four sandwiches, the amount of sandwich that she ate would be what fraction of a whole extra-large sandwich?

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## GMAT Quant 101: Basic Facts & Concepts to Remember

Posted by Mark Skoskiewicz on Thu, Jun 14, 2018 @ 08:00 AM

In our GMAT tutoring sessions, we constantly remind students that the GMAT is not a math test. Although there are some rules you need to know, doing well requires that you think in a structured yet flexible way and approach each question as a problem that needs to be solved strategically and creatively. **Rote memorization of facts and formulas is not the answer.** Building critical thinking skills is the path to a 700+ GMAT score.

Tags: GMAT quant, GMAT tutor, gmat tutoring, GMAT prep, GMAT resources, GMAT, GMAT score, MBA Admissions, deliberate practice, gmat test prep, gmat study skills, GMAT study guide

## Use Problem Solving Efficiency to Achieve Problem Solving Success

Posted by Stefan Maisnier on Wed, May 16, 2018 @ 09:00 AM

Excelling at any skills-based endeavor demands an economy of motion where most mistake maximum effort for excellent execution. The GMAT is no different. Every Quantitative Problem Solving question has a litany of potential paths to a solution, and the successful GMAT student’s goal is to reach that solution in the fewest number of steps possible. The key is to take note of all the information provided in the proper order, consider what information may be hidden in the answer choices, and to then calculate for the desired information. This is the subject of today’s video tutorial with our Director of Online Tutoring – Stefan Maisnier.

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## GMAT Question of the Day #343 - YES/NO Question

Posted by Mark Skoskiewicz on Thu, May 18, 2017 @ 11:22 AM

This week's **GMAT Question of the Day** relates to question #343 from the Official Guide for GMAT Review, 2017. It is a typical **AD/BCE, YES/NO Question**.

Tags: GMAT quant, GMAT prep

## GMAT Question of the Day #311 - Data Sufficiency

Posted by Mark Skoskiewicz on Thu, May 11, 2017 @ 11:22 AM

For today's GMAT Question of the Day, we have an** AD/BCE Value Question, **relating to question #311 from the**Official Guide for GMAT Review, 2017**. See below for a clear, step-by-step example and explanation.

Tags: GMAT quant, GMAT prep