GMAT - Graduate Management Admission Test is a standardized test intended to measure a test taker's aptitude in mathematics, verbal skills, and analytical writing. The GMAT is most commonly used as the primary exam reviewed by business schools to gain entrance into an MBA program.

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GRE - Graduate Record Examination is a standardized exam used to measure one's aptitude for abstract thinking in the areas of analytical writing, mathematics, and vocabulary. The GRE is commonly used by many graduate schools in the U.S. and Canada to determine an applicant's eligibility for the program.