Integer properties: If is an non-negative integer and is a divisor of then = A. B. C. D. E. The answer will be posted tomorrow afternoon, and we’ll be choosing another winner to receive a free premium subscription to the Magoosh GRE product to help you study! Submit a correct answer and explanation by commenting on […]

# Archive | Challenge Questions

## GRE Math – Mean and Median (Sorry Mode, You Weren’t Invited)

Mean and Median This is an area of math that is oftentimes given short shrift. Many students think, hey, I know median and mode—those problems are easy. On the actual test, though, students oftentimes end up trying to solve a mean problem in a far more laborious and time-consuming way than is necessary. Take a […]

## A Difficult Text Completion – Advanced Strategies

For an obscure poet to have penned such a refined, poignant sonnet is not at all (i) —. The sonnet, after all, has been a favored form for hundreds of years amongst the amateur and lionized alike. I would be (ii) —-, on the other hand, had not one, out of the sheer number produced […]

## GRE Vocabulary Quiz

Whether you are taking the test in its current form, or are pluckily gearing up for the Revised GRE, you still have to know your vocabulary. Over the months, I’ve been putting up high-frequency GRE vocabulary words to help you navigate the verbal section on test day. Let’s see how many of these important GRE words you […]

## Math Challenge 800– Win Free Access to Magoosh GRE!

Let me preface this problem: you will have to be doing really well on the GRE to even see a problem of this difficulty. Basically even if you score 800 you may only see one problem of this difficulty level. For problems that are this difficult make sure you are mapping them out. Do not […]

## Math Challenge Response

Well, nobody ventured forth an answer, and that’s okay– I did preface the problem by saying none of my students was able to solve this. And there is good reason–this problem is close to the 800 level. Unless you are shooting for that score you might not even see a problem that is this difficult. That said, […]

## Math 800 Challenge– Can you crack it?

So far none of my students have been able to answer this problem (at least not without a little nudging on my part.) Let’s see if anybody can prove the correct answer and explanation. You have 48 hours! The sides of a rectangular box when added together equal 36. Column A Column B The length […]