Graduate Management Admission Test (GMAT) is a computer adaptive test conducted by Graduate Management admission council to test:

Analytical
Quantitative
Verbal
Reading and
Writing skills in written English that will be used to get admission in a graduate management program, such as an MBA

GMAT Qualification:

Candidate must be a graduate from a recognized board or university
Candidate must be proficient in English Language.
The candidate must be minimum 18 years of age.
There is no upper age limit to take the GMAT exam.

GMAT Syllabus

The GMAT syllabus is divided into following section:

Integrated Reasoning Section

This section includes:

Multi-Source Reasoning
Table Analysis
Graphics Interpretation
Two-Part Analysis

Quantitative Section

This section measures the quantitative aptitude of a candidate like solving quantitative problems, and interpreting graphic data.

The questions in this section are generally asked from

Problem Solving
Data Sufficiency

Verbal Section

Reading comprehension
Critical reasoning
Sentence correction