by tim Thu Oct 07, 2010 8:34 pm
that's a good question. typically you don't want to stray far from official GMAT problems and our practice materials, because you may end up studying material that won't be particularly relevant. your best bet will probably be to take existing problems and review them in more depth, possibly modifying problems where you can. see if you can change some numbers or even slightly change the structure of the triangles to create a new problem for yourself. this will take what you already know and stretch it a bit so you will be prepared for variations the GMAT may think of. i'm sure there are other suggestions out there; i'd be interested in hearing what other students can come up with..
Tim Sanders
Manhattan GMAT Instructor
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