GMAT practice
Business school entrance exam: quantitative, verbal and data insights.
Wittlo is not affiliated with or endorsed by the organisation that runs the GMAT. Our practice is a supplement. It does not promise any score or improvement. For the official format, rules and scoring, see GMAT official site. Last checked by us: 2026-10-22.
Skills this practice touches
- Arithmetic and algebra
- Data sufficiency style reasoning
- Number properties and word problems
Number-skill drills
These topics overlap with the arithmetic and word-problem skills used on this exam. All questions are original and written for this site.
Percent
Percent and percent change · Successive percent changes
Ratios
Ratios and sharing
Interest
Simple and compound interest
Work and rate
Work and rate problems
Speed and distance
Speed, distance and time
Averages and mixtures
Averages and mixtures
Number properties
Remainders, units digits and factors · Primes and prime factors
Algebra
Exponents and radicals · Linear equations and systems · Quadratics and factoring
Quantity comparison
Quantity comparison
Data sufficiency
Data sufficiency
Counting and probability
Counting and probability
Number series
Number series