The GRE is a gateway for getting admissions to masters and doctoral degree programs in various universities in the world, especially the United States. This exam measures the verbal reasoning, quantitative reasoning, analytical writing
The GMAT is a computer adaptive test for getting admissions in graduate management programmes of the top business schools. This exam tests the analytical, writing, quantitative, verbal, and reading skills of the candidate.
The SAT test is used for getting admissions in colleges in the United States. This test is generally taken by high school sophomores, juniors and seniors and it tests the writing and quantitative aptitude skills of a person.
TOEFL being one of the two major tests in the world, measures the English Language ability of non-native speakers who are willing to get admissions in American universities. This test quantifies the reading, listening, writing.
IELTS tests the English Language aptness of non-native speakers for admissions in most of the academic institutes in the United States, Canada, Australia, Britain and New Zealand. It tests the ability of the candidate to speak, read, write and listen in English.