100% Free Test Prep GMAT-Data-Insights Practice Test Questions and Answers 2026

If demand for a product is unit elastic and price increases by 15%, what happens to total revenue? (difficulty: hard)

When analyzing a box plot in GMAT data interpretation, if the lower quartile is 20, median is 25, and upper quartile is 40, what does this tell us about the data's distribution? (difficulty: hard)

In analyzing profit margins for a GMAT Data Insights question, if a company's net profit margin decreases from 12% to 9% while revenue increases from $10M to $13M, what percentage change occurred in the absolute profit amount? (difficulty: hard)

In exponential smoothing forecasting, what does an alpha (α) value closer to 1 indicate about the forecast? (difficulty: medium)

When normalizing a sales database, which scenario represents a transitive dependency that violates Third Normal Form (3NF)? (difficulty: hard)