Combinations on the GMAT

Combinations on the GMAT

What are combinations? Conceptually, the combinations task is easy to understand: it’s about the number of ways to select a subgroup from a whole group. As in the permutations task, the whole group is notated as n, and the subgroup is notated as r. The standard...
How to Solve Permutations Questions on the GMAT

How to Solve Permutations Questions on the GMAT

Permutations are a type of combinatorics task that is often tested on the GMAT. In a permutations question, you are asked to find the number of ways to order a group of elements. The order of the elements matters in permutations questions, so the number of possible...
A Guide to Combinatorics on the GMAT

A Guide to Combinatorics on the GMAT

Every combinatorics question on the GMAT involves one or more of three fundamental combinatorics tasks: ordering, permutations, and combinations. This article will introduce the three tasks, and each of the three following articles will explain a task intuitively to...
Master the GMAT Data Insights Questions

Master the GMAT Data Insights Questions

Preparing for the GMAT exam requires a thorough understanding of the different question types, including the challenging Data Insights Questions. This article aims to provide you with techniques and strategies to excel in GMAT Focus Data Insights Section. By mastering...