Answer Key

Practice Set: Averages on the GMAT

1. C
2. D
3. D
4. C

Practice Set: Rates and Speed—Converting Rates on the GMAT

5. D
6. C
7. D

Practice Set: Rates and Speed—Multi-Part Journeys on the GMAT

8. E
9. C
10. B
11. D

Practice Set: Combined Rates and Combined Work on the GMAT

12. A
13. C
14. A

Practice Set: Interest Rates on the GMAT

15. E
16. A
17. B

Practice Set: Overlapping Sets on the GMAT

18. B
19. C
20. A