GMATers, especially newcomers to the test, tend to spend on average less time on Data Sufficiency questions than on the other Data Insights question types. This is in part because Data Sufficiency questions don’t require an “answer” in the same way that the...
Understanding the “Spectrum of Sufficiency” is a key advanced strategy on Data Sufficiency questions and yet very few people seem to be aware of the technique. Nevertheless, understanding the concept and how to apply it can really help you answer some of the...
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