GMAT Data Sufficiency questions in the Quantitative section are some of the most challenging ones for many test takers. If you are preparing for the GMAT and want to master data sufficiency questions watch this video. It provides advanced tips on statements as filters.
David Newland, a Veritas Prep GMAT expert, discusses how you should use statements in Data Sufficiency questions as filters that limit the acceptable numbers that can be used. David also explains how to identify filters that aren't obvious at first glance.
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