As far as I know, location does not
affect the type or difficulty of the questions. After all, the entire point of the GMAT is to provide schools with a common platform via which to gauge their applicants, who hail from different parts of the world, studied under different systems and work in different places.
Hi, I'm DonQuixote, a former GMAT Pill student who scored 780. I'm very grateful for this score and have now joined their staff My account of my GMAT experience can be found here.