Rowan

SIMPLE solution: For a certain race, 3 teams were allowed… GMAT

Here's a simple solution to the classic "For a certain race, 3 teams were allowed to enter 3 members each"…

3 years ago

GMAT Combinatorics: The Ultimate Guide to GMAT Factorials (also useful for Probability!)

GMAT Combinatorics: The Ultimate Guide to GMAT Factorials -- the Three-Question Method If we don’t get the concept of Factorials…

3 years ago

Ultimate Guide to GMAT Geometry Part V: GMAT Triangles 1

Chapter 11: GMAT Triangles All the basic stuff for triangles is probably going to be fairly obvious. First, of course,…

3 years ago

The Ultimate Guide to GMAT Geometry III: Trapezoids, Rectangles, Squares

The Ultimate Guide to GMAT Geometry, Part III: Trapezoids, Rectangles, and Squares Chapter 8: Trapezoids (Trapeziums (Trapeziae?)) in GMAT Geometry…

3 years ago

GMAT Grammar Tips for Sentence Correction: the Ultimate Guide

GMAT Grammar Tips for Sentence Correction: the Ultimate Guide GMAT Grammar is an odd concept. I mean, how could it…

3 years ago

Ultimate Guide to GMAT Geometry, Part II: Perimeter, Area, Parallelograms

Ultimate Guide to GMAT Geometry, Part II: Polygons, Perimeter and Area, Parallelograms Chapter 5: Polygons in GMAT Geometry Remember how…

3 years ago

The Ultimate Guide to GMAT Geometry: Introduction and Lines (Part I)

The Ultimate Guide to GMAT Geometry (Part I) Geometry has a really weird relationship with the GMAT. It’s the one…

3 years ago

GMAT Combinatorics: Permutations vs. Combinations (and Shorthand!)

GMAT Combinatorics Questions: Permutations vs. Combinations (plus Shorthand!) As noted above, this is simply a clipped factorial.  Let’s take the…

3 years ago

GMAT Probability Question SOLVED: An Exception to the “At Least” Rule?

A GMAT Probability Question Fully Solved: An Exception to the “At Least” Rule? It’s difficult to say that there’s really…

3 years ago

GMAT Probability: Prob. per Distribution and Equal Likelihoods

GMAT Probability per Distribution and Equal Likelihoods A bag contains red and blue balls. Exactly half of the balls are…

3 years ago