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spionski

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  1. Hey, I'm not sure about the calculator - did you click the buttons on the calculator, or did you type it in on the keyboard? I think it might be that the latter doesn't work. Regarding scores: Once you finish the practice test and you go to the main window of the testing app (in my case it came up again once I closed the test by itself), you can select the timed practice test again, and then in the next field I think you can select "review answers" (or something similar) - it will then take you through the practice test again, except at the beginning of each section it will show you which questions you answered right. For the wrong ones there's also a button at the top of the screen that highlights the correct answer as opposed to yours. Hope that helps.
  2. Hi Green, the answer is A: It's obvious that a*b^2 divides both a^2*b^2 and a*b^3 (this is also the greatest common factor you can infer without any further restrictions on what a and b could be). Hence it must divide or be equal to the greatest common factor, 45. But the prime factors of 45 are 45 = 5*3*3, so b could only possibly be equal to 3.
  3. Hi all, I recently tried the practice test on ETS's new PowerPrep software looking for an estimation of how I would score on the new GRE test (I took the old one two years ago and I'm trying to decide if it'd be worth my while retaking it to improve my score). But unfortunately the results were utterly useless - It gave me 710-800 Verbal (i.e. >= 98%), which I simply do not believe (I scored a fair bit below that on the old test, and I thought my result then was quite lucky), and 750-800 Quantitative (i.e. >=83%), which is such a huge range it's completely uninformative. Can anyone recommend any other practice tests that give a more accurate score prediction? I'm particularly looking for something that's a bit more accurate on the upper end of the quant part (i.e. 165-170), and gives you a better feel for how difficult the second quant section can be (the one on PowerPrep didn't seem any harder than the first one). A more realistic verbal part would be interesting too, but isn't as essential. I've seen that Kaplan offers some free practice tests - does anyone know if they're any good? I'm also open to any other suggestions. Many thanks!!
  4. Sooo, I took the CS GRE in November and just got my scores over the phone... I thought the test had gone fairly well, but evidently I was wrong - my scores are a good ten percentiles below what I expected at 810 / 83%. Now these might still be decent scores, but the programs I'm applying to are "on the competitive side", to say the least - Two of them I'd say would generally be considered to be among the top three programs in the US, while the third program I'm applying to is slightly less competitive but still in the top 10 or 20. I was in touch with a faculty member at university #3 a while ago, and their advice was that if I did take the subject test, then I should aim for 85th percentile at the very least. One of the more competitive programs says on their website that generally they're expecting "upper nineties". So I have no clue what to do. My applications are really strong otherwise I'd say (very good degree from a top university, some research experience, good GRE general, etc. etc. - my referees have all told me that they fully expect me to get into at least one of these programs), but this might jeopardize my chances completely. Do any of you have any advice for my situation? Do you think I should even mention the test in my applications at all? Obviously the universities will still get the score reports from ETS, but perhaps I can ask them not to consider the scores? Otherwise, the only thing I could argue is that I didn't do CS as an undergrad and so was at a significant disadvantage taking the test - that's what I was planning on writing if I scored in the low nineties though, and I am now a long way off that. Any thoughts anyone? Any advice would be very much appreciated!
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