GRE必威体育精装版练习题2.docVIP

SECTION 1 Time – 30 minutes 30 Questions 1. 2(8-7) 2(7-8) x + y = 2 2. x y 3. + 1 4. x 5 On Elm Street there are 6 houses on one side of the street and 4 houses on the other. Each pair of houses on Elm Street is connected by exactly one telephone line. 5. The total number of such 12 lines that connect houses on opposite sides of Elm Street 6. The area of triangular The area of triangular region OPQ region ORS 7. (0.01)(0.07)(70) 0.49 x y z 8. z The three small rectangles have the same dimensions 9. In a certain city, 20oF was the average (arithmetic mean) of the low temperatures of xoF, 25oF, and 37oF on three consecutive days. 10. x 0 m= 4x + 4y, x-y 11. 8 ABCD is a rectangle with diagonals AC and DB. 12 r + u + v r + u + v + w n is a positive integer. 13. n 100 f(t) = kt for all t, where k is a constant, and f(3) = 14. k f(1) 100xy 1,000x 2y 15. 1,100x y 16. Mr. Gifford wishes to put 372 eggs into cartons that can hold 12 eggs each. If he has 50 empty cartons and completely fills as many of them as possible with the 327 eggs, how many of the cartons will remain empty? (A) 12 (B) 15 (C) 19 (D) 28 (E) 31 17. Which of the following numbers is greatest? (A) -0.225 (B) -0.0225 (C) -0.323 (D) -0.0325 (E) -0.3205 18. If a certain automobile gets between 20 and 24 miles per gallon of gasoline, inclusive, what would be the maximum amount of gasoline, in gallons, this automobile would consume on a trip of 360 miles? (A) 20.0 (B) 18.0 (C) 16.4 (D) 16.0 (E) 15.0 19. If y - x = 2 and y -z =3, which of the following best represents the relative positions of x, y, and z on the number line? (Note: The figures are drawn to scale.) (A) (B) (C) (D) (E) 20.Two beads are to be independently and randomly selected, one from each of two bags. If of the beads in one bag and of the beads in the other bag are yellow, what is the probability that both beads selecte