GMAT Data Sufficiency Practice Questions

Question Difficulty: Hard | Intermediate | Easy

Hard Practice Questions

Practice Question	Category Study Guide
XY Cubed Substitution	Exponential Equations
WXYZ Remainder	Number Properties
4 Powerful XYs	Exponential Equations
Counting 9s	Number Properties
Even Prime Addition Mystery	Number Properties
75 Exponential Comparison	Exponential Equations Inequalities
Exponential Production	Number Properties
CD-Remainder	Number Properties
X Mystery	Statistics
Indexing A Comparison	Inequalities Simultaneous Equations
ABC Area	Angles Area
X - Y Divisibility	Number Properties
Prime Operation	Number Properties
Self-Exponential	Exponential Equations
Root Comparison	Quadratic Equations
Four Pieces	Simultaneous Equations
John's Parting Gift	Simultaneous Equations
2 NK Signs	Number Properties
Triangle Dilemma	Triangles Area
Three's Company	Statistics
Prime Candidate	Number Properties
Intermediate Practice Questions
Practice Question	Category Study Guide
ABC Detour	Pythagorean Theorem
Sum Sign	Number Properties
Odd Enough	Number Properties
Simply X, Y, and Z	Exponential Equations
Signed IN	Exponential Equations Inequalities
Prime Counting	Number Properties
Confessing to the Price Change	Simultaneous Equations Percents
Solving X	Simplifying Expression
An Exponential Comparison	Exponential Equations Absolute Value
For Divisibility	Number Properties
Chef Martha	Fractions
Vista Sales	Percents
An Odd Sum	Number Properties
ZN Inequality	Inequalities
Peter's Route to Work	Simultaneous Equations
Counting AB Integers	Inequalities
Simply CD	Simplifying Expressions
Sweet Ratios	Fractions
Staff Breakdown	Percents Fractions
Percent Composition	Fractions Simplifying Expressions
Midpoint Mess	Lines
A-B Simultaneous	Simultaneous Equations
N Squared Duo	Exponential Equations Simplifying Expression
John's Revenue	Inequalities
Remainder X	Number Properties
Odd Summation	Number Properties
Easy Practice Questions
Practice Question	Category Study Guide
Mean Mess	Statistics
Negative N	Number Properties
Measuring Angle C	Triangles
Caught Speeding	Linear Equation
1 ZN Inequality	Fractions Inequalities
A Negative Negative	Number Properties Inequalities
B + A Inequality	Inequalities
Simply X-Y-Z	Simplifying Expressions
Prime Inequality	Number Properties

The most important part of GMAT prep is working practice problems. We hope you benefited from these 50 free practice GMAT data sufficiency questions with thorough answers. Based upon internal testing and sophisticated algorithms, we believe our proprietary custom-written questions provide an excellent means to practice the mathematics concepts you will likely be tested on. Please feel free to download and distribute the accompanying PDF, which contains data sufficiency questions.

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