I would recommend staying away from the Princeton Review and Kaplan series as I have come across several reviews claiming they do not mimic the actual GRE difficulty or question style even closely. The preparation for verbal and Quant is a bit too extensive to cover in 1 month and you might feel like you don't have enough time. I have heard good reviews about Magoosh and Gregmat to develop strategies but in terms of GRE Question difficulty, sticking to official guides is your best bet. These are made by ETS and are actual questions that appeared in recent tests. Studying the reasoning given for each answer will help you understand the type of thinking the exam expects from you. Furthermore, the hard questions there and the free Power Prep 1 and Power Prep 3 are your best resources for the closest approximation of exam difficulty and setting. Make sure to give them after you think you are ready. Remember to write the essays as well and giving 2 full timed tests will help you realize the pressure and conditions of the actual exam. Study your mistakes thoroughly and make sure to identify weak areas and strengths so you can adjust your prep accordingly. Best of luck with everything!
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fatimasohail
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