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Dreaming
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mohater
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Dreaming
Joined: 17 Sep 2011
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Posts: 158
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Given Kudos: 34
Concentration: Strategy, Operations
Schools: ISB '15
GMAT 1: 720 Q48 V40
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WE:Supply Chain Management (Manufacturing)
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ebonn101
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If you're scoring in the low-mid 40s in quant on practice tests, then get the book. If not, you're not ready for it.
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mohater
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Simply marking the ones you got wrong isn't always enough.

The purpose of an error log is tracking mistakes, timing issues, guessing, etc to figure out "how" to overcome certain obstacles. The test (and test questions) are designed to stratify test takers, it's your job to figure out how to make it into that top strata.

Reading material or doing problems isn't always enough. This is why a proper error log is very important.
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