GMAT Problem Solving
Home > GMAT Test > GMAT Problem Solving Questions
Next steps
- Use your browser's back button to return to your test results.
- Do more GMAT Problem Solving Questions.
Source: GWD
Level: 0
Yesterday it took a certain plane 3 hours to fly from City A to City B at an average speed of 400 miles per hour. Today the same plane flew from City A to City B along the same route at an average speed of 450 miles per hour. How many more yesterday than it took today?
- A 10
- B 15
- C 20
- D 25
- E 30