This reminds me of a study conducted to test whether practicing chess tactics improved mental capacity in all areas of thinking (aside from just those associated with chess). According to the results of the study, subjects who practiced chess and chess puzzles intensely just ended up being good at, well, chess - the skills did not translate to other areas of faculty like math, general memory, reasoning, spatial coordination, etc...
I think that the best way to ace the GMAT is not too waste time but to just study for the GMAT. Start well ahead of everybody else and spend extra time on the analytical reasoning sections if thats the weak spot.
I think that the best way to ace the GMAT is not too waste time but to just study for the GMAT. Start well ahead of everybody else and spend extra time on the analytical reasoning sections if thats the weak spot.