GMAT Data Sufficiency I personally love the 'Data Sufficiency' section - because it is fun to solve them ! Broadly two reasons (1) It probably may not involve as much rigorous mathematical solving and (2) Each problem is a field of landmines that the examiner has laid for the student. I have a feeling that even for the test setter, the data sufficiency section is the … [Read more...] about Data Sufficiency : A Quick Overview