题目
1. The roots of the equation x^2 - x - 6 = 0 are
A, 1 and - 5
B. 2 and - 3
C. 3 and - 2
D. 5 and - 1
E. none of the above
答案：C
2. Quantity A：The least prime number greater than 24
Quantity B：The greatest prime number less than 28
A. Quantity A is greater.
B. Quantity B is greater.
C. The two quantities are equal.
D. The relationship cannot be determined from the information given.
答案：A
3. Quantity A：54% of 360
Quantity B：150
A. Quantity A is greater.
B. Quantity B is greater.
C. The two quantities are equal.
D. The relationship cannot be determined from the information given.
答案：A
4.
Quantity A：PS
Quantity B：SR
A. Quantity A is greater.
B. Quantity B is greater.
C. The two quantities are equal.
D. The relationship cannot be determined from the information given.
答案：D
5. A merchant made a profit of $5 on the sale of a sweater that cost the merchant $15. What is the profit expressed as a percent of the merchant’s cost? Give your answer to the nearest whole percent.
答案：33%
以上就是关于“GRE数学难题170分必练题目”的内容，更多精彩内容，敬请关注本频道的持续更新。小编预祝大家能够在接下来的考试中取得更好地成绩，考试成功!