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# Result correlation between GMAT and GMAT Club's Tests

Author Message
Director
Joined: 20 Feb 2008
Posts: 797
Location: Texas
Schools: Kellogg Class of 2011
Re: Result correlation between GMAT and Challenges [#permalink]

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26 May 2008, 09:40
2
KUDOS
I scored 48 in Quant with the following scores:

m01 26 36 72.2% 63.0%
m02 25 36 69.4% 36.3%
m03 23 37 62.2% 44.8%
m04 25 37 67.6% 55.3%
m05 24 37 64.9% 57.9%
m06 31 36 86.1% 93.1%
m07 25 37 67.6% 66.7%
m08 18 37 48.6% 45.5%
m09 25 37 67.6% 59.3%
m10 24 37 64.9% 51.3%
m11 25 37 67.6% 56.7%
m12 22 37 59.5% 26.7%
m13 24 37 64.9% 32.0%
m14 26 37 70.3% 72.7%
m15 21 37 56.8% 41.7%
Director
Joined: 12 Jul 2008
Posts: 515
Schools: Wharton
Re: Result correlation between GMAT and Challenges [#permalink]

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30 Aug 2008, 19:47
2
KUDOS
Real GMAT 50

Test Correct Total % Correct Mean time msec Percentile
m01 32 37 86.5% 1m 55s 11505 96.3%
m02 34 37 91.9% 1m 35s 9535 97.8%
m03 32 37 86.5% 1m 55s 11588 92.5%
m04 33 37 89.2% 1m 48s 10845 98.7%
m05 31 37 83.8% 1m 59s 11988 94.7%
m06 31 36 86.1% 1m 59s 11990 93.1%
m07 31 37 83.8% 1m 45s 10524 90.5%
m08 28 37 75.7% 1m 49s 10933 86.4%
m09 29 37 78.4% 1m 20s 8033 92.6%
m10 31 37 83.8% 1m 43s 10353 94.6%
m11 30 37 81.1% 1m 25s 8551 83.3%
m12 32 37 86.5% 1m 46s 10688 93.3%
m13 31 37 83.8% 1m 38s 9872 92.0%
m14 33 37 89.2% 1m 38s 9811 100.0%
m23 36 37 97.3% 1m 40s 10081 100.0%
m24 31 37 83.8% 1m 22s 8249 93.3%
Intern
Joined: 08 Jan 2009
Posts: 3
Re: Result correlation between GMAT and Challenges [#permalink]

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29 Jan 2009, 14:49
2
KUDOS
In general I think these tests are a good tool. Not great. But good. I will give them a hearty recommendation if you have exhausted your OG and Oficial Quantitative Reviews and are looking for alternate materials. Of what I have seen, this is second best.

My complaints are that the questions are often stupid tricky, uninterpretable or unnecessarily complex. In addition, the explanations are suspect at best.

My first concern is that the questions are often unbearably tricky. Sometimes to the point of being unrealistic. They will test your ability to remember that zero is an even number or something ridiculous like that. That being said. You will not make the same mistake twice. Which has to count for something. If you do a couple of these you will immediately know what I mean.

A further complaint is that some of the questions are so grammatically incorrect or poorly written that it is possible to get the question wrong just because you dont understand what is being asked. The one where you have to measure the fish is a good example. The one with the swimmer and the currents is perfect example of a poorly written question because it is possible the current is faster than the swimmer can swim and the swimmer would never reach their destination. Not all the possibilities are considered by the question makers.

I also feel these questions are unnecessarily complex. In the official GMAT questions, fractions seem to have a way of working out. Where as in the challenges it always seems I have to multiply a somewhat unreasonable 23/110 by 7/62 or something of this nature. And it is not that I am doing the question incorrectly, the explanation (which is often lacking at best) tells me I am on the right path. Instead of testing my ability on a concept they test me on multiplication. Blah.

Its almost like whoever wrote these questions took the same concepts that were available and just raised the level of technical difficulty instead of the level of conceptual difficulty. My opinion is that the GMAT is more likely to test your ability to understand and integrate concepts rather than your ability to multiple and divide by obnoxious numbers.

In all, I would estimate that about 20% of the questions are really good, strong, thoughtful questions that are representative of what you would find on the GMAT Prep software. The other 80% fall into a category such as grammatically unsound/not interpretable, trick questions or unnecessarily technical.

That being said, I would still recommend these. They do teach you to look for tricks. They do force you to preform long division and multiplication of fractions by hand. And those 20% of good questions are challenging. Most importantly, they time you and put some pressure on. That all adds up to a worthwhile expenditure as long as you have exhausted your official materials first.

On a side note, is it possible that these percentile rankings are no longer valid? Is it possible that the same person has written the exam multiple times, done really well on their subsequent attempts and is therefore skewing all the results downward?

If I took my average over the first 8 of these that I have completed it would be somewhere around the 50th percentile. Which is a Q36ish. When I took the GMAT Prep 1 exam prior to the GMATclub challenges I scored a Q48 which is like 85th percentile. I will be interested to see what my Q score is on GMATPrep2 and the actual exam to see if these challenges do indeed have a positive impact and do actually reflect my abilities.
Manager
Joined: 22 Jul 2009
Posts: 191
Re: Result correlation between GMAT and GMAT Club's Tests [#permalink]

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03 Oct 2009, 20:24
2
KUDOS
It seems that numerous high scorers have taken the Challenges in the last 18 months, pronouncedly lowering the percentiles.

This is how my percentiles compare to percentiles from exams with similar scores taken in 2008:

M04 33/37 = 98.7% in Aug/08 vs M04 33/37 = 91% in Sep/09
M09 25/37 = 59.3% in May/08 vs M09 26/37 = 51% in Sep/09
M11 30/37 = 83.3% in Aug/08 vs M11 31/37 = 80% in Sep/09
_________________

Please kudos if my post helps.

Senior Manager
Joined: 29 Jun 2005
Posts: 403

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27 Jun 2006, 11:03
1
KUDOS
Real Quant: 50

here is my last ones.
Challenge 22 Jun 23 30 95
Challenge 21 Jun 21 27 93
Challenge 20 Jun 18 33 99
Challenge 2 Jun 16 30 86
Challenge 19 Jun 16 31 93
Challenge 18 Jun 15 28 91
Challenge 17 Jun 13 23 80
Challenge 16 Jun 11 24 89
Challenge 15 Jun 08 16 63

the average for the first 15 were ~89-90
Intern
Joined: 28 Jun 2006
Posts: 6
Re: Result correlation between GMAT and Challenges [#permalink]

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28 Jun 2006, 23:56
1
KUDOS
I was wondering if you guys could help me find these challenges. I am taking the GMAT in a couple of weeks and I would really appreciate some extra tough practise. Thanx in advance.....

PS, my e-mail is leoaueb@yahoo.com
Intern
Joined: 28 Jun 2006
Posts: 6
Re: Result correlation between GMAT and Challenges [#permalink]

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20 Jul 2006, 19:32
1
KUDOS
Could you please tell me where exactly I can buy all 25 challenges for 79$? i would really appreciate an immediate response as I am getting closer to the G-day and every day counts. Thanx Senior Manager Joined: 29 Jun 2005 Posts: 403 ### Show Tags 16 Sep 2006, 07:10 1 This post received KUDOS How about others? Who else took both GMAT chalenges and real test? CEO Joined: 15 Aug 2003 Posts: 3454 Re: URGENT..NEED HELP [#permalink] ### Show Tags 23 Oct 2006, 16:39 1 This post received KUDOS bhavna wrote: HI! I HAD PURCHASED THE GMAT CHALLENGES FOR$79 THRU PAYPAL TWO DAYS...KINDLY LET ME KNOW WEN I WILL GET ACCESS TO THE TESTS..HOW DO I KNOW THT I HAVE GOT ACCESS TO TESTS?

We have activated access.

thanks
Praetorian
Senior Manager
Joined: 31 May 2006
Posts: 368
Location: Phoenix AZ

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23 Oct 2006, 22:00
1
KUDOS
I highly recommend Challenges! Great stuff. And this from an Indian Engineer who had a rank in IIT.
Intern
Joined: 31 Oct 2006
Posts: 14
GMAT Questions - Real GMAT Score [#permalink]

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20 Nov 2006, 12:13
1
KUDOS
I bought the question set 2 and I have to say I didn't even get half of them right the first time.....

GMAT Q Score: 50

I guess getting to know the concepts by going through the questions really helped me.

Jules
Manager
Joined: 22 May 2006
Posts: 180

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29 Oct 2007, 19:16
1
KUDOS
Challenge 22 - 99
Challenge 21 - 93
Challenge 20 - 96
Challenge 15 - 92
Challenge 14 - 97
Challenge 13 - 89
Challenge 12 - 93
Challenge 11 - 95
Challenge 10 - 91
Challenge 9 - 88
Challenge 8 - 95
Challenge 2 - 90

Real GMAT Q(50).
Manager
Joined: 17 May 2007
Posts: 72

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06 Nov 2007, 16:20
1
KUDOS
i'm also doing the challenges but in the 'new' interface...is there a difference between the number of questions answered correctly and the 'score' that 'CalSpeedRacer' posted?

Director
Joined: 13 Dec 2006
Posts: 510
Location: Indonesia

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03 Dec 2007, 08:41
1
KUDOS
How is the verbal challenge compared with the real GMAT exam?

Amar
CIO
Joined: 02 Oct 2007
Posts: 1218
Re: Result correlation between GMAT and Challenges [#permalink]

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08 Jan 2008, 07:41
1
KUDOS
To Pansarda:

Percentile scores were available earlier because a lot of people took the Challenges at the same time. We are currently working on getting the percentile scores back.

To Deeeee:

The idea behind the GMAT Club test (Challenges) is that if you score highly in them real GMAT math questions will not be difficult for you.

dzyubam
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Director
Joined: 27 May 2008
Posts: 543
Re: Result correlation between GMAT and Challenges [#permalink]

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10 Jul 2008, 01:49
1
KUDOS
I'm facing a different problem with Maths challenges, I'm able to finish most of test in 45 minutes but end up making mistakes (mostly in DS around 8 per test) questions. I dont think the errors are becuase i'm going too fast. I think there are more trap DS questions in challenges than GMAT prep or OG. I mean, there is no doubt these questions are good .... but they are testing more on trap situations than the Mathematical concepts....

Does anyone else feel the same way....

Test Correct Total % Correct Mean time Percentile
m01 --- 29 --- 37 --- 78.4% -- 1m 10s -- 84.3%
m02 --- 27 --- 37 --- 73.0% -- 1m 18s -- 47.3%
m24 --- 28 --- 37 --- 75.7% -- 1m 18s -- 73.3%
m25 --- 28 --- 36 --- 77.8% -- 1m 14s -- 73.9%
Senior Manager
Joined: 29 May 2008
Posts: 278
Schools: MIT
Re: Result correlation between GMAT and Challenges [#permalink]

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10 Jul 2008, 20:22
1
KUDOS
durgesh79 wrote:
I'm facing a different problem with Maths challenges, I'm able to finish most of test in 45 minutes but end up making mistakes (mostly in DS around 8 per test) questions. I dont think the errors are becuase i'm going too fast. I think there are more trap DS questions in challenges than GMAT prep or OG. I mean, there is no doubt these questions are good .... but they are testing more on trap situations than the Mathematical concepts....

Does anyone else feel the same way....

Test Correct Total % Correct Mean time Percentile
m01 --- 29 --- 37 --- 78.4% -- 1m 10s -- 84.3%
m02 --- 27 --- 37 --- 73.0% -- 1m 18s -- 47.3%
m24 --- 28 --- 37 --- 75.7% -- 1m 18s -- 73.3%
m25 --- 28 --- 36 --- 77.8% -- 1m 14s -- 73.9%

Yes, I agree that the GMAT Club tests have a lot of traps in them. But that's one of the benefits of GMAT Club tests...the real GMAT has a bunch of tricks also, and if you can get good at catching those traps in the GMAT Club Challenges, you'll do very well on the actual GMAT. And yes, neither the challenges or the real GMAT really test any sophisticated mathematical principles...that's why it's so important to get good at recognizing the traps.
Manager
Joined: 11 Apr 2008
Posts: 202

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21 Jul 2008, 16:51
1
KUDOS
Hi everybody,
Today I worked on the m25 of the challenge series and scored a pathetic 8.7 percentile. I made 19 questions correct out of 37 (three of them silly mistakes though) and pretty much devastated by my performance. So far I have finished OG-11 and MGMT math series. In OG I was consistently having 85% questions correct but looking at this test I am completely confused. Does that mean I am missing something big time?
Please suggest me how to build my math foundations right. Where can I get all the math concept solidly explained?
thanks all
suba
_________________

Nobody dies a virgin, life screws us all.

Senior Manager
Joined: 12 Apr 2008
Posts: 499
Location: Eastern Europe
Schools: Oxford
Re: Result correlation between GMAT and Challenges [#permalink]

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14 Aug 2008, 13:45
1
KUDOS
I ought to say Challenges are great!
And, IMO, very similar to nowadays GMAT quant section.

My results (percentiles):

m01 99.1%
m02 94.5%
m03 100%
m04 96.0%
m05 100%
m06 100%

Real GMAT q49. Screwed up a bit...
Senior Manager
Joined: 26 Jan 2008
Posts: 263
Re: Result correlation between GMAT and Challenges [#permalink]

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07 Oct 2008, 18:27
1
KUDOS
Test--Correct--Total--% Correct--Percentile
m01 29 37 78.4% 84.3%
m02 36 37 97.3% 100.0%
m03 34 37 91.9% 97.0%
m04 29 37 78.4% 77.6%
m05 31 37 83.8% 94.7%
m06 29 36 80.6% 89.7%
m07 31 37 83.8% 90.5%
m08 28 37 75.7% 86.4%

Real GMAT q50
_________________
Re: Result correlation between GMAT and Challenges   [#permalink] 07 Oct 2008, 18:27

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# Result correlation between GMAT and GMAT Club's Tests

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