> Fresh mind for each question.
> Awarness of all quant aspects linked to a question : the quant surface covered by the question in 1 or multiple quant areas
> Awarness of traps : special numbers 0, 1, 1/n, sqrt(n)...
> Awarness of your weaknesses to explore them in case of a mistake hidden behind them
> A very open minded attitude : most of time GMAT questions want u to go in 1 direction by the shapes of its questions... and so to make u misinterpreting the results with the help of an inertia created by your own education
> and so stamina to do all of this for 37 Q question and behind it u have the V section...