Check out these two extremely challenging GMAT questions — one math, one verbal. Answers will be discussed by our expert team of teachers in our interactive classroom live on Monday night at 9pm EDT. One lucky student will receive the Knewton GMAT course free during...

David Yourdon is a Content Developer at Knewton. He specializes in finding the underlying structure of GMAT math problems. A few weeks back, I wrote a post that discussed Dan Meyer’s visionary talk about the future of math education. Halfway through the talk, Meyer mentions a...

Brian Galvin is the Director of Academic Programs at Veritas Prep, where he oversees all of the company’s GMAT preparation courses. While the “tallest building in Omaha” has become the default analogy for something that’s the best of a lackluster field, the “richest man in Omaha”...

Work and Rate Problems - questions and explanations Probability and Combination – 55 free practice questions with explanations From 550 to 750 - my GMAT experience From 600 to 730 - my GMAT experience 720 (Q44 V45) - my GMAT experience GMAT ToolKit for iPhone Update - new iPhone app...

Brian Galvin is the Director of Academic Programs at Veritas Prep, where he oversees all of the company’s GMAT preparation courses. Data Sufficiency questions, which will comprise about half of your quantitative section, are a format unique to the GMAT.  As you become familiar with this...

If you’re thigh-deep in your GMAT prep (or still remember some of your math from high school), chances are you’re already familiar with the “factor rainbow” method of listing any number’s given factors. For example, if we were to list all the factors of 60, we...

April 2010 popularity index of Best GMAT Books as determined by GMAT Club members. (We measured how often our members referred to each of the books in their posts from the past month and assembled the GMAT Book popularity index below). You can also visit...

GMAT 50 Tricky Math Questions – see how well you can do CR Methods – an approch to find the best answers Verbal Strategies - for SC, RC and CR Ready for GMAT? - then try these questions 770 (Q 50, V 47) - my GMAT experience 710 to 740 – my GMAT...

Brian Galvin is the Director of Academic Programs at Veritas Prep, where he oversees all of the company’s GMAT preparation courses. Pacing on the GMAT is crucial – many students report that they can answer most questions correctly…only eventually.  Within an average of two minutes per...

Critical Reasoning - shortcuts, tips and notes Quant - elementary tips and formulas to remember 770 (Q51, V42) - debrief 550 to 690 to 750 (Q49, V44) - debrief