Hard GRE Practice Questions

413 free hard-difficulty GRE 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, if true, most helps to resolve the paradox?
2. DUAL-SCALE GRAPH: Helix Biotech — Headcount and Revenue per Employee, 2022–2026 Left axis: Employees (bars). R
3. The novelist was known for his ________ descriptions of nature, which often spanned several pages and included
4. Solve for x: x - 5 = √(x - 3)
5. The sudden ________ in the expansion of the metropolitan district was attributed to the enactment of stringent
6. Which of the following, if true, most helps to resolve the paradox?
7. Which of the following must be a factor of the integer n if n^2 is divisible by 72?
8. Common information: n is an integer and 2^n = k. Quantity A: 2^n+1 + 2^n+1 Quantity B: 2^n+2 How do the two qu
9. 0 < a < b < 1. Quantity A: dfracab Quantity B: dfraca+1b+1
10. Naturalist: The blue-throated warbler and the gray-crowned warbler occupy the same forest, yet the blue-throat
11. A fair six-sided die (faces 1 through 6) is rolled twice, and the two results are recorded. Quantity A: The pr
12. Had the investigator been more ________, she might have discovered the discrepancy in the financial records mu
13. Solve for x: |2x - 3| = |x + 6|
14. Which of the following describes all real values of x for which |2x - 5| > 9?
15. A software firm requires that every new feature pass an automated test suite before it is released. Last quart
16. Naturalist: On this island, the native songbird population has declined sharply over the past decade. During t
17. If 5 people are to be seated in a row of 5 chairs, but two people, A and B, must not sit in the two end chairs
18. Public-health officials worried that a new vaccination campaign would falter because many residents distrusted
19. If n is a positive integer such that n has an odd number of positive divisors, which of the following must be
20. Mastery of the GRE lexicon requires more than a simple dictionary definition; it demands a sensitivity to ____
21. The reformer's rhetoric, for all its incandescent moral fervor, was ultimately (i)______: it could inflame an
22. A management theorist argues: Firms that adopted remote work reported higher productivity, and executives have
23. While the younger students were often rowdy and difficult to manage, the seniors were generally more ________
24. In order to impress his new socialite peers, the young man began to ________ a sophisticated accent that was c
25. Municipal planners have argued that installing protected bicycle lanes reduces overall traffic fatalities. **A
26. Far from being the (i)______ figure his detractors caricatured, the diplomat proved remarkably supple in negot
27. Given that x > 0 and x + dfrac1x = 3. Quantity A: x^2 + dfrac1x^2 Quantity B: x^3 + dfrac1x^3 Which of the fol
28. The novelist's latest work was ________ by critics who found the prose unnecessarily dense, though it retained
29. Which of the following, if true, most helps to resolve the apparent paradox described above?
30. Despite the prevailing view that the economy was entering a period of ________, several retail indicators sugg

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