The Graduate Management Aptitude Test is used to measure the abilities of the potential MBA aspirant to undertake higher education in the field of business or management. The GMAT is a multiple-choice, computer-based and computer adaptive standardized exam . The GMAT exam measures your command of basic arithmetic, algebra, geometry, multi-source data analysis and grammar. More importantly, it measures your ability to analyze and evaluate written material, think critically and solve problems. Business school admission committees look at your GMAT score, to assess your readiness for the MBA program.
Total GMAT score ranges from 200 to 800. There is a penalty for not completing each section of the exam which means the score will be decreased significantly with each unanswered question. https://www.mba.com/exams/gmat