GRE Mini Quiz
Questions: 16 · 10 minutes
1. A fair coin is tossed twice. What is the probability of getting exactly one head?
1/2
1/3
3/4
1/4
2. A rectangle has a perimeter of 30 units and a length of 9 units. What is its area?
54 square units
45 square units
72 square units
108 square units
3. In the sentence “Her praise was qualified by concerns about the study’s small sample,” what does “qualified” most nearly mean?
Proven by formal credentials
Limited or moderated
Replaced by a harsher judgment
Expressed with complete confidence
4. The scientist welcomed criticism because she viewed even pointed objections as _____ for refining her theory rather than as personal attacks.
concessions
impediments
substitutes
catalysts
5. A café owner says, “Sales rose after we changed our logo, so the new logo must have caused the increase.” What is the main flaw in this reasoning?
It overlooks other changes that could have affected sales.
It uses sales figures when customer surveys would be more precise.
It assumes that logos never influence customers.
It compares the café with businesses in unrelated industries.
6. The average of five numbers is 18. If four of the numbers have a sum of 68, what is the fifth number?
18
24
22
28
7. A library extended its weekend hours after patrons requested more study time. Weekend visits increased, but weekday visits remained unchanged. The library is now considering opening earlier on weekdays. What is the passage mainly doing?
Arguing that weekday visits are more valuable than weekend visits
Showing that longer weekend hours reduced weekday attendance
Describing one schedule change and a possible further change
Explaining why patrons no longer need weekend study space
8. What is the median of the numbers 12, 3, 20, 8, and 7?
7
10
12
8
9. If 3(x − 2) = 2x + 5, what is the value of x?
−1
7
5
11
10. In the sentence “The lecturer made a recondite subject accessible to beginners,” what does “recondite” most nearly mean?
Controversial
Frequently discussed
Difficult to understand
Practical in nature
11. A subscription price rises from $80 to $100. By what percent does the price increase?
20%
22.5%
25%
40%
12. A line passes through the points (2, 3) and (6, 11). What is the slope of the line?
1/2
4/3
4
2
13. After a city installed protected bicycle lanes, bicycle commuting increased, car traffic declined slightly, and public-transit use remained steady. During the same period, fuel prices rose. Which conclusion is best supported?
The evidence is consistent with the lanes contributing to the shift, but it does not isolate their effect.
Higher fuel prices had no effect on commuting choices.
The bicycle lanes alone caused every observed change.
Public transit became less available after the lanes were installed.
14. Although the committee initially doubted the proposal, the supporting evidence was so _____ that every member ultimately voted for it.
tangential
compelling
equivocal
derivative
15. If x + y = 10 and x − y = 4, what is the value of x?
6
7
8
14
16. A university finds that students who attend optional tutoring earn higher grades than students who do not. Which additional finding would most strengthen the claim that tutoring itself improves grades?
Tutoring sessions are offered in several campus buildings.
Among comparable students randomly assigned to groups, those offered tutoring earn higher grades.
Tutoring attendance is highest shortly before final examinations.
Students with high grades often recommend tutoring to friends.