GMAT Quantitative (or Math) is 75 minute section where you will get 37 questions. The questions are based on Verbal Section, Quant Section.

About the GMAT exam

You will get harder or easier question, depending on whether your previous answers was correct or wrong.

And once you answer a question, you cannot go back to it.

There are two main question types:

Problem Solving (PS)

Data Sufficiency (DS)

Concepts in GMAT Quant

Arithmetic

Numbers
Real Numbers
Integers
Fractions
Decimals
Ratio & Proportion
Percentages
Roots & Powers
Sets
Statistics
Probability
Counting Methods

Algebra

Algebraic Expressions
Linear Equations
Quadratic Equations
Exponents
Inequalities
Absolute Value
Functions

Geometry

Lines
Angles
Triangles
Quadrilaterals
Circles
Polygons
Coordinate Geometry

Word Problems

Time Speed (Rate) Problems
Work Problems
Mixture Problems
Interest Problems
Discount
Profit
Sets and Venn Diagrams
Geometry Problems
Measurement Problems
Data Interpretation