Though GMAT exam is the basic criterion to join MBA, it is also essential to pass TOFEL or IELTS which help understanding of the basic English knowledge of the student to study MBA in Britain and America. Still, in certain Universities across Europe GMAT is not essential to join MBA. Hence, confirm this through the website of the university you have chosen for study.
The University in the western countries emphasize on a few years of work experience apart from a pass in GMAT. It is advisable to score 600 out of 800 in this exam. Apart from the GMAT and TOFEL marks, the marks scored throughout your education help to join MBA.