### The GMAT’s Favorite Equation

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**After you do even a little bit of studying for the GMAT, you’ll probably start to realize something: the test is as repetitive as a Katy Perry song. You’ll see that the one hard question you’ve never quite understood is actually the same old game, reformulated in some subtle way, but ultimately similar to what you’ve learned before. Read more**

### Help! I Can’t Handle GMAT Probability and Combinatorics (Part 1)

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**There’s a classic brain teaser called the Monty Hall problem. It’s named after the host of an old-timey TV game show, who used it to confound contestants. He’d present each contestant with three closed doors. Behind one door was a new car, and behind the other two doors were goats. **

Monty invited the player to pick one of the three doors. Whichever door the player chose, Monty would then open a *different* one, revealing a goat, not the car. Then, he would offer the player a choice. If the player wanted, he could *switch* doors, picking the other unopened door. Or, he could stick with the door he picked in the first place. Whichever decision he made, he would win the prize behind the door he chose. Read more

### Two Minutes of GMAT Quant: A Breakdown (Part 3)

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Ready for the long awaited conclusion of how to tackle a quant problem in two minutes? We’ll finally get to the point where you can submit an answer! If you haven’t been keeping up, catch up here. Read more

### Five Simple Tips for GMAT Word Problems

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This article won’t teach you how to solve GMAT word problems from scratch. (Check out our Word Problems Strategy Guide for that!) However, it *will* suggest five easy changes that’ll help you save time, earn points, and reduce stress. Make just a few small changes to how you solve word problems, and watch your Quant score improve. Read more