MATH11.docx

1、MATH11Math Section-Q1:At the opening of a trading day at a certain stock exchange, the price per share of stock K was $8. If the price per share of stock K was $9 at the closing of the day, what was the percent increase in the price per share of stock K for that day?A. 1.4%B. 5.9%C. 11.1%D. 12.5%E.

2、23.6%Answer: -Q2:Which of the following is equal to (212 26) / (26 23)?A. 26 + 23B. 26 23C. 29D. 23E. 2Answer: -Q3:What is the probability that a student randomly selected from a class of 60 students will be a male who has brown hair?(1) One-half of the students have brown hair.(2) One-third of the

3、students are males. 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 suffici

4、ent.E. Statements (1) and (2) TOGETHER are NOT sufficient.Answer: -Q4:John, Karen, and Luke collected cans of vegetables for a food drive. The number of cans that John collected was 1/2 the number of cans that Karen collected and 1/3 the number of cans that Luke collected. The number of cans that Lu

5、ke collected was what fraction of the total number of cans that John, Karen, and Luke collected?A. 1/5B. 1/3C. 2/5D. 1/2E. 2/3Answer: -Q5:The sides of a square region, measured to the nearest centimeters, are 6 centimeters long. The least possible value of the actual area of the square region isA. 3

6、6.00 sq cmB. 35.00 sq cmC. 33.75 sq cmD. 30.25 sq cmE. 25.00 sq cmAnswer: -Q6:For all integers x and y, the operation is defined by xy = (x+2)2 + (y+3)2. What is the value of integer t? (1) t 2 = 74(2) 2 t = 80 A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.B. Statem

7、ent (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: -Q7:Before a certain tire is used, 40 perc

8、ent of its total weight consists of tread. If during a lifetime of use, 50 percent, by weight, of the tires tread is lost and no other parts of the tire is lost, what per cent of the tires total remaining weight consists of the remaining tread?A. 55%B. 20%C. 25%D. 30%E. 35%Answer: -Q8:When positive

9、integer x is divided by 5, the remainder is 3; and when x is divided by 7, the remainder is 4. When positive integer y is divided by 5, the remainder is 3; and when y is divided by 7, the remainder is 4. If x y, which of the following must be a factor of x - y?A. 12B. 15C. 20D. 28E. 35Answer: -Q9:If

10、 x and y are nonzero integers, is 18 a factor of xy2?(1) x is a multiple of 54.(2) y is a multiple of 6. 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 suf

11、ficient, but NEITHER statement ALONE is sufficient.D. EACH statement ALONE is sufficient.E. Statements (1) and (2) TOGETHER are NOT sufficient.Answer: -Q10:Is (t/3) (w/5)? (1) w t(2) 5t 3w A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.B. Statement (2) ALONE is suffi

12、cient, 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: -Q11:A certain company that sells only cars and trucks reported

13、that revenues from car sales in 1997 were down 11 percent from 1996 and revenues from truck sales in 1997 were up 7 percent from 1996. If total revenues from car sales and truck sales in 1997 were up 1 percent from 1996, what is the ratio of revenue from car sales in 1996 to revenue from truck sales

14、 in 1996?A. 1 : 2B. 4 : 5C. 1 : 1D. 3 : 2E. 5 : 3Answer: -Q12:Which of the following is equal to 1/(3-2)2?A. 1B. 5C. 6D. 5 - 6E. 5 + 26Answer: -Q13:On a certain day, Tim invested $1,000 at 10 percent annual interest, compounded annually, and Lana invested $2,000 at 5 percent annual interest, compoun

15、ded annually. The total amount of interest earned by Tims investment in the first 2 years was how much greater than the total amount of interest earned by Lanas investment in the first 2 years?A. $5B. $15C. $50D. $100E. $105Answer: -Q14:For a convention, a hotel charges a daily room rate of $120 for

16、 1 person and x dollars for each additional person. What is the charge for each additional person?(1) The daily cost per person for 4 people sharing the cost of a room equally is $45.(2) The daily cost per person for 2 people sharing the cost of a room equally is $25 more than the corresponding cost

17、 for 4 people. 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 sufficient.E

18、. Statements (1) and (2) TOGETHER are NOT sufficient.Answer: -Q15:Is xy x/y? (1) xy 0(2) y -1? (1) r -5(2) r 16 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

19、are sufficient, but NEITHER statement ALONE is sufficient.D. EACH statement ALONE is sufficient.E. Statements (1) and (2) TOGETHER are NOT sufficient. Answer: -Q17:If the volume of a small container is 14,520 cubic millimeters, what is the volume of the container in cubic centimeters? (1 millimeter

20、= 0.1 centimeter)A. 0.1452B. 1.452C. 14.52D. 145.2E. 1,452Answer: -Q18: 2x + y = 12 y 12For how many ordered pairs (x , y) that are solutions of the system above are x and y both integers?A. 7B. 10C. 12D. 13E. 14Answer: -Q19:In the xy-plane, the sides of a certain rectangle are parallel to the axes.

21、 If one of the vertices of the rectangle is (-1,-2), what is the perimeter of the rectangle? (1) One of the vertices of the rectangle is (2, -2).(2) One of the vertices of the rectangle is (2, 3). A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.B. Statement (2) ALONE

22、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: -Q20:Tom, Jane, and Sue each purchased a new house. The

23、average (arithmetic mean) price of the three houses was $120,000. What was the median price of the three houses?(1) The price of Toms house was $110,000.(2) The price of Janes house was $120,000. 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, bu