Real GRE Quant getting difficult

Recent test takers claim that real gre quant is getting significantly harder and the powerprep may not be good benchmark now to estimate real gre quant questions difficulty. How do we navigate through this? What do we practice?

Greg says the best bet is to understand the concepts on a granular level. Thus, the questions become mere reasoning questions, which is a skill you can improve on with enough practice of the questions you do have.