Hi,

Depending on your subject, you have to give the following one or two of the following exams.

GMAT:

 In order to take admission in American Universities for MBA you have to clear GMAT. GMAT tests problem-solving abilities, it also tests addressing data sufficiency, logic, and critical reasoning skills.

GRE:

GRE stands for Graduate Record Examination. It is a standardized eligibility test created and this test needs to be cleared in order to get admission in most of the graduate schools in USA. It  is basically to test your verbal and quantitative reasoning, analytical writing, and critical thinking skills. The GRE could also be subject specific ( science, math) alongwith General

TOEFL:

TOEFL stands for Test of English as a Foreign Language. This test is conducted to test the English proficiency of the candidate to study in English-speaking countries or  IELTS which stands for International English Language Testing System.

Feel free to ask further.