Hard GMAT Practice Questions

129 free hard-difficulty GMAT questions, drawn live from KomFi's calibrated bank. These are the items that separate top scorers — every one carries a full explanation and trap analysis once you sign in.

1. Which of the following values is the largest?
2. What is the range of possible values for x?
3. In which range does the median score fall?
4. What is the units digit of 7^82 + 3^43?
5. What is the smallest possible value of n?
6. What is the smallest such value of n?
7. In a survey of 200 households, 120 have a TV, 90 have a comp… — How many households have NONE of these devices
8. What is the total time, in hours, required to fill the reservoir from the start?
9. A car dealership has 250 cars. 120 have Air Conditioning (AC… — How many cars have none of these features?
10. In a town of 100 residents, 45 visit the Park, 35 visit the… — How many residents visit exactly one of these p
11. How many distinct passwords can be formed?
12. How many containers will be required in total?
13. How many positive factors of 200 are also multiples of 4?
14. If sqrtx + sqrtx + √(x + dots) = 5, what is the value of x?
15. Which of the following could be a value of x?
16. What is the maximum possible value of the smallest number in the set?
17. What is the largest possible value for the greatest integer in the set?
18. For what range of values of x is the inequality (x+4)/(x-1) ≤ 2 satisfied?
19. The final resale price is what percent of the original cost?
20. How many liters of solution B are in the mixture?
21. What is the smallest possible value for the smallest integer in the set?
22. What is the value of x + y?
23. For how many integer values of k does kx^2 + 8x + (k+6) = 0 have two distinct real solutions?
24. Which of the following is the largest?
25. What is the smallest positive integer n such that n! is divisible by 1,000?
26. At what price per apple must the merchant sell the remaining apples to achieve a 44% profit margin on the tota
27. What is the value of R?
28. What was the original weight of the alloy, in kilograms?
29. How many unskilled workers are in the factory?
30. Approximately what is the probability that the individual actually has the condition?

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