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stevkang8
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EMPOWERgmatRichC
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GMAT 1: 800 Q51 V49
GRE 1: Q170 V170
Posts: 21,777
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stevkang8
Joined: 14 Feb 2015
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EMPOWERgmatRichC
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GMAT 1: 800 Q51 V49
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Hi Lin,

Every CAT on the market has some type of "bias" or limitation to it, but the Official GMAC CATs are the only ones that use questions that once appeared on the actual GMAT and provide a score based on the Official algorithm. In that way, you can't find any CATs that are more realistic than those CATs.

GMAT assassins aren't born, they're made,
Rich
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Agreed, there definitely appears to be something off there. No algorithm can exactly match what the actual test algorithm is -- but most tests should be able to get pretty close. Users of the GMAT PILL practice test generally score within +- 30 points of what they are seeing on the GMATPrep tests.

Certainly, you'll never see a situation in which you get a bunch wrong and still come out with a Q51. That said, the real value of practice tests is in learning from your mistakes. Treat the actual scoring with a grain of salt. Because in the end, the only thing that matters is what you get on the actual test. Other tests can just help give you a sense of where you might stand.

www.gmatpill.com/gmat-practice-test/practice-test
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