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Does quant question getting easier after #20? [#permalink]
24 Aug 2003, 17:51
There seems to be a myth that if you do well in quant, the questions get easier after #20. I don't think it is true in my case.
I got 50 in the real quant test. I finished 16 minutes ahead of time. I usually finish 5-40 minutes ahead, average 20 minutes ahead, in the practice tests.
I got 2 std deviation questions, 3 prob/comb questions, several trciky >/< DS questions.
#32 was very hard in my opinion becasue I remembered this myth and was surprised to spent almost 10 minutes on this #32. It was one of those set questions, where you have 10 students study Spanish, 12 French, 17 German, 4 both German and French, 9 study none .....
There are well known methods for this type of questions, but there is a twist in my case, and I can't disclose it due to the NDA. I think it is definitely time consuming and hard, though still within the scope of OG level of difficulty, and it was #32, almost toward the end. If I didn't have a lot of time left, I would have guessed and moved on.
I agree with you that the whole *it gets easier after q 20* is more of an urban myth than anything else. Because the GMAT is an adaptive test and there is a large set of questions that people won't see regardless of its CAT nature, the impression that many people give of it getting *easier* at some point should probably be taken with a grain of salt.
What is probably happening is that the GMAT CAT zeros in on what ETS/GMAC THINKS your ability level is somewhere earlier in the game. By the time people get to their 20th question, the GMAT is probably throwing questions at test takers that are allegedly AT their *appropriate* level.
Thus, many -- but not all, especially if you are scoring at a very high level -- people will come away with the impression that the questions are getting easier when in fact the GMAT has decided to put you into a category that ETS/GMAC thinks you belong ... which may not be so great for many people.
As for the question you mentioned, it's a shame you can't discuss it more. But the Non-Disclosure Agreement, as well as the pressure put on BB to not post actual GMAT items, means that you are correct in being cautious.
Check out this awesome article about Anderson on Poets Quants, http://poetsandquants.com/2015/01/02/uclas-anderson-school-morphs-into-a-friendly-tech-hub/ . Anderson is a great place! Sorry for the lack of updates recently. I...