Please help..feeling really discouraged. Does anyone have any DS tips or strategies they use to get through these problems? They are really holding back my quant score. Any guidance is appreciated!
In addition, you can check out Veritas
Data Sufficiency book. It discusses exactly what you want - DS Essentials, Strategies, Tips, Tons of practice problems - in detail. It discusses what is expected of you in a DS problem, what are the traps laid by the test maker and how to avoid them. I am sure you will feel much more confident after going through it.
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