Performing mental math calculations faster and more accurately is a surprisingly important element of success on the GMAT. And for any given ability level, It’s also important to gain confidence in your mental math abilities before taking the GMAT. Confidence is often half the battle. At the same time, practicing, having strategies in your mind, and understanding where and how mental math is important can all breed confidence.

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## Applying the Basics of Argumentation for GMAT Critical Reasoning Success

Posted by Stefan Maisnier on June 23, 2021 12:11:45 PM CDT

Although you’ll likely see slightly fewer Critical Reasoning questions than Sentence Correction or Reading Comprehension on the Verbal section of the GMAT, it is still a sizeable portion of the exam. Having a strong foundational knowledge of argumentation is key to understanding how to answer GMAT critical reasoning questions correctly.

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## How to Approach GMAT Combinatorics: Key Principles

Posted by Morgan Bissett-Tessier on February 9, 2021 1:19:03 PM CST

#### 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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