SAT数学练习题二

2022-05-25 11:27:42

  11. Which of the following numbers could be described in the following way: an integer that is a natural, rational and whole number?

  A. 0

  B. 1

  C. 2.33

  D. -3

  E. none of the above

  12. Find the mode of the following list of numbers: 2, 4, 6, 4, 8, 2, 9, 4, 3, 8

  A. 2

  B. 3

  C. 4

  D. 5

  E. 6

  13. In the fraction 3/x, x may not be substituted by which of the following sets?

  A. {1, 2, 4}

  B. {-2,-3,-4}

  C. {1, 3, 7}

  D. {0, 10, 20}

  E. {1.8, 4.3}

  14. Sarah needs to make a cake and some cookies. The cake requires 3/8 cup of sugar and the cookies require 3/5 cup of sugar. Sarah has 15/16 cups of sugar. Does she have enough sugar, or how much more does she need?

  A. She has enough sugar.

  B. She needs 1/8 of a cup of sugar.

  C. She needs 3/80 of a cup of sugar.

  D. She needs 4/19 of a cup of sugar.

  E. She needs 1/9 of a cup of sugar.

  15. At a company fish fry, 1/2 in attendance are employees. Employees' spouses are 1/3 of the attendance. What is the percentage of the people in attendance who are not employees or employee spouses?

  A. 10.5%

  B. 16.7%

  C. 25%

  D. 32.3%

  E. 38%

  16. In a college, some courses contribute more towards an overall GPA than other courses. For example, a science class is worth 4 points; mathematics is worth 3 points; History is worth 2 points; and English is worth 3 points. The values of the grade letters are as follows, A= 4, B=3, C=2, D=1, F=0. What is the GPA of a student who made a “C” in Trigonometry, a “B” in American History, an “A” in Botany, and a “B” in Microbiology?

  A. 2.59

  B. 2.86

  C. 3.08

  D. 3.33

  E. 3.67

  17. There are 8 ounces in a ½ pound. How many ounces are in 7 3/4 lbs?

  A. 12 ounces

  B. 86 ounces

  C. 119 ounces

  D. 124 ounces

  E. 138 ounces

  18. If the value of x and y in the fraction XZ/Y are both tripled, how does the value of the fraction change?

  A. increases by half

  B. decreases by half

  C. triples

  D. doubles

  E. remains the same

  19. What is the next number in the following pattern? 1, 1/2, 1/4, 1/8, ___

  A. 1/10

  B. 1/12

  C. 1/14

  D. 1/15

  E. 1/16

  20. Of the following units which would be more likely used to measure the amount of water in a bathtub?

  A. kilograms

  B. liters

  C. milliliters

  D. centigrams

  E. volts

  Answer Key:

  11. B 12. C 13. D 14. C 15. B 16. C 17. D 18. E 19. E 20. B

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