MATH5.docx

1、MATH5Math Section-Q1:ELECTRICITY USAGE IN A CERTAIN HOUSEHOLD ON MAY 1Appliance Number of Hours in UseNumber of Watts of Electricity Used per HourTV4145Computer3155VCR245Stereo2109According to the table above, what was the total number of watts of electricity used for the four appliances in the hous

2、ehold on May 1?A. 454B. 860C. 1,100D. 1,230E. 1,353Answer: -Q2:What is the ratio of the average (arithmetic mean) height of students in class X to the average height of students in class Y?(1) The average height of the students in class X is 120 centimeters.(2) The average height of the students in

3、class X and class Y combined is 126 centimeters. A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.D. EA

4、CH statement ALONE is sufficient.E. Statements (1) and (2) TOGETHER are NOT sufficient.Answer: -Q3:If a committee of 3 people is to be selected from among 5 married couples so that the committee does not include two people who are married to each other, how many such committees are possible?A. 20B.

5、40C. 50D. 80E. 120Answer: -Q4:263 + 2/(8+37) =A. 8 + 37B. 4 + 37C. 8D. 4E. 7Answer: -Q5:The infinite sequence a1, a2, an, is such that a1 = 2, a2 = -3, a3 = 5, a4 = -1, and an = an-4 for n 4. What is the sum of the first 97 terms of the sequence?A. 72B. 74C. 75D. 78E. 80Answer: -Q6:The ratio of the

6、number of red cars in a certain parking lot to the number of black cars is 3 to 8. If there are 72 black cars in the lot, how many red cars are there in the lot?A. 11B. 15C. 24D. 27E. 32Answer: -Q7:What is the value of x + 7?(1) x + 3= 14(2) (x + 2)2 = 169 A. Statement (1) ALONE is sufficient, but s

7、tatement (2) alone is not sufficient.B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.D. EACH statement ALONE is sufficient.E. Statements (1) and (2) TOGETHER are NOT sufficient.Answe

8、r: -Q8: 3 3 3x 3 Note: Figure not drawn to scale.The figure above represents a square garden that is divided into 9 rectangular regions with indicated dimensions in meters. The shaded regions are planted with peas, and the unshaded regions are planted with tomatoes. If the sum of the areas of the re

9、gions planted with peas is equal to the sum of the areas of the regions planted with tomatoes, what is the value of x?A. 0.5B. 1C. 1.5D. 2E. 2.5Answer: -Q9:In the xy-plane, the point (-2, -3) is the center of a circle. The point (-2, 1) lies inside the circle and the point (4, -3) lies outside the c

10、ircle. If the radius r of the circle is an integer, then r =A. 6B. 5C. 4D. 3E. 2Answer: -Q10:When 200 gallons of oil were removed from a tank, the volume of oil left in the tank was 3/7 of the tanks capacity. What was the tanks capacity?(1) Before the 200 gallons were removed, the volume of oil in t

11、he tank was 1/2 of the tanks capacity.(2) After the 200 gallons were removed, the volume of oil left in the tank was 1,600 gallons less than the tanks capacity. A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.B. Statement (2) ALONE is sufficient, but statement (1) alo

12、ne is not sufficient.C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.D. EACH statement ALONE is sufficient.E. Statements (1) and (2) TOGETHER are NOT sufficient.Answer: -Q11:A certain business produced x rakes each month form November through February and shippe

13、d x/2 rakes at the beginning of each month from March through October. The business paid no storage costs for the rakes from November through February, but it paid storage costs of $0.10 per rake each month from March through October for the rakes that had not been shipped. In terms of x, what was t

14、he total storage cost, in dollars, that the business paid for the rakes for the 12 months form November through October?A. 0.40xB. 1.20xC. 1.40xD. 1.60xE. 3.20xAnswer: -Q12:For a certain play performance, adults tickets were sold for $12 each and childrens tickets were sold for $8 each. How many chi

15、ldrens tickets were sold for the performance?(1) The total revenue from the sale of adults and childrens tickets for the performance was $5,040.(2) The number of adults tickets sold for the performance was 1/3 the total number of adults and childrens tickets sold for the performance. A. Statement (1

16、) ALONE is sufficient, but statement (2) alone is not sufficient.B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.D. EACH statement ALONE is sufficient.E. Statements (1) and (2) TOGET

17、HER are NOT sufficient.Answer: -Q13:What is the remainder when the positive integer n is divided by 3?(1) The remainder when n is divided by 2 is 1.(2) The remainder when n + 1 is divided by 3 is 2. A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.B. Statement (2) ALON

18、E is sufficient, but statement (1) alone is not sufficient.C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.D. EACH statement ALONE is sufficient.E. Statements (1) and (2) TOGETHER are NOT sufficient.Answer: -Q14:If the average (arithmetic mean) of x, y, and 20 i

19、s 10 greater than the average of x, y, 20, and 30, what is the average of x and y?A. 40B. 45C. 60D. 75E. 95Answer: -Q15:If x and y are integers, is x + y greater than 0?(1) x is greater than 0.(2) y is less than 1. A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.B. St

20、atement (2) ALONE is sufficient, but statement (1) alone is not sufficient.C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.D. EACH statement ALONE is sufficient.E. Statements (1) and (2) TOGETHER are NOT sufficient.Answer: -Q16:What is the value of 3-(x + y) / 3

21、-(x - y)?(1) x = 2(2) y = 3 A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.D. EACH statement ALONE is

22、 sufficient.E. Statements (1) and (2) TOGETHER are NOT sufficient.Answer: -Q17:A driver completed the first 20 miles of a 40-mile trip at an average speed of 50 miles per hour. At what average speed must the driver complete the remaining 20 miles to achieve an average speed of 60 miles per hour for

23、the entire 40-mile trip? (Assume that the driver did not make any stops during the 40-mile trip.)A. 65 mphB. 68 mphC. 70 mphD. 75 mphE. 80 mphAnswer: -Q18:If the symbol represents either addition, subtraction, multiplication, or division, what is the value of 6 2?(1) 10 5 = 2(2) 4 2 = 2 A. Statement

24、 (1) ALONE is sufficient, but statement (2) alone is not sufficient.B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.D. EACH statement ALONE is sufficient.E. Statements (1) and (2) TOGETHER are NOT sufficient.Answer: -Q19:In a survey of 200 college graduates, 30 percent said they had received student loans during their college careers, and 40 percent said they had received scholarships. What percent of those surveyed s