I fixed a glitch in the markup for one question and corrected an error - is approximately , not . …

## Problem of the Day January 15th 2018

Triangle A has sides of length 10, 13, and 13. Triangle B has sides of length 13, 13, and 24. What is the ratio of the area of triangle A to triangle B? (A) 1 : 1 (B) 24 : 13 (C) 2 : 1 (D) …

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## Using Khan Academy to Prep for the GMAT or GRE – Redux

I posted about this a while ago and included a list of suggested exercises and videos in a pdf. Since then I've revised and updated the list and you can find it here: GMAT Prep with Khan Academy It's …

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## The GMAT Exam Format is Changing!!!

In 2016 several of my students were offered the opportunity to take the GMAT in any order they wanted - i.e. they could opt to take the Quantitative, Verbal, Integrated Reasoning, and Analytical …

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## Unofficial Guide 2017 – PS 51

A video explanation of problem 51 from the 2017 Official Guide to GMAT Review Check it out …

## Mixtures Quiz

This is my first word problems quiz. It's short because mixtures and weighted averages aren't exactly high payoff. It's only PS questions at moment. I may throw in some DS in the near future. I'll …