I can say with very high confidence that TTP was the biggest factor in me getting the high percentile score that I did. It broke down the different sections into several topics, so I could focus on the sections I knew I struggled with and learn the different question types I'd encounter. My personal struggle was entirely with the quant section before getting the software, and it is designed with people like me in mind. Most of the lessons are quant focused, though there are a very good number of Data Insights and Verbal sections as well. I personally found that FOIL, Factors, and Combinometrics came up the most for me on my practice and real exams, so getting a firm grip on those will do a lot of heavy lifting.
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