GRE必威体育精装版练习题396.4.docVIP

SECTION 2 Time – 30 minutes 30 Questions 1. x – y – 3 = 0 2. x y The average (arithmetic mean) of 3 numbers is 37.5. 3. The sum of the 3 numbers 100 x 0 4. +1 5. The perimeter of a The perimeter of a rect- square with sides of angle with length 10 length 5 and width 2 x is positive number and y is 30 percent of x 6. 25. percent of y 55 percent fo x 7. r v x 0 8. x 9. r m and n are positive integers. 10. m + n mn A bicycle registration costs $2.250 in City X and $3.00 in City Y. At these rates, the cost of 4 registrations in City X is k percent of the cost of 3 registrations in City Y. 11. k 90 12. x 13. The area of the triangular 6 region An identification code read from left to right consists of 2 digits, a dash, 3 digits, a dash, and then 4 digits. Each digit can be any number from 0 through 9. 14. The number of different 10 identification codes possible In a rectangular coordinate system, line k has x-intercept 4 and slope –2. 15. The y-intercept of k 2 16. Of the following, which is the closest approximation to ? (A) 400 (B) 120 (C) 100 (D) 40 (E) 10 17. If (x - 1)= (x - 2), then x= (A) - (B) (C) (D) (E) 18. In the figure above, the areas of square regions X and Y are 1 and 4, respectively. What is the area of the triangular region? (A) 2 (B) 1 (C) (D) (E) 19. If erasers cost $0.25 each, at most how many erasers can be purchased for n dollars, where n is an integer? (A) (B) (C) 4n (D) 25n (E) 20. Three salespeople are paid commissions in proportion to the amount of their sales, which total $25, 000, $40, 000, and $60, 000, respectively. If a total of $20, 000 is allocated for these three commissions, what is the amount of the largest commission paid? (A) $8, 000 (B) $8, 400 (C) $9, 600 (D) $10, 000 (E) $12, 000  Questions 21-23 refer to the following information. For a cash advance, a certain credit card company charges a transaction fee equal to a perc