其中第一套共包含PS题目 131 题。


序号 题目内容
41 Which of the following would result in a remainder of 7 when divided by 12? I. 151 II. 3,443 III. 5,995
42 Scott takes a trip and drives 6 hours from Town X to Town Z at a rate of 50 miles per hour. On his way back, Scott drives 75 miles per hour and stops in Town Y which is midway between Town X and Town Z. How many hours does it take Scott to drive from Town Z to Town Y?
43 When the positive integer x is divided by 9, the remainder is 5. What is the remainder when 3x is divided by 9?
44 A baseball card decreased in value 20% in its first year and 10% in its second year. What was the total percent decrease of the card's value over the two years?
45 120% of $$\frac{5}{8} =$$
46 On a fishing excursion, Jeannie keeps$$\frac{ 1}{4}$$ of the fish she catches and releases the remainder of the fish back into the lake. If $$\frac{2}{3}$$ of the fish she keeps are trout, and 1/3 of the fish she releases are trout, what proportion of the total number of fish she catches are trout?
47 If |a| = |b|, which of the following must be true? I. a = b II. |a| = -b III. -a = -b
48 Janet is now 25 years younger than her mother Carol. If in 6 years Janet's age will be half Carol’s age, how old was Janet 5 years ago?
49 What is the sum of the multiples of 7 from 84 to 140, inclusive?
50 What is 120% of$$\frac{ 1}{4} $$of 0.8?
51 If the largest single-digit prime number is raised to the exponent equal to the number of its positive factors, what is the result?
52 Set S contains 4 numbers. The average of set S is 12. Exactly one number is added to set S, lowering the average of set S to 10. What is the number that was added to set S?
53 If 3x + 2y + 5z = 10 and 6x + 4y = 12, what is the value of z?
54 If -3x < 6, which of the following must be true?
55 If -3x < 6, which of the following must be true?
56 A box contains one dozen donuts. Four of the donuts are chocolate, four are glazed, and four are jelly. If two donuts are randomly selected from the box, one after the other, what is the probability that both will be jelly donuts?
57 Set A is composed of nine numbers, labeled A1 through A9. Set B is also composed of nine numbers, labeled B1 through B9. Set B is defined as follows: B1 = 1 + A1; B2 = 2 + A2; and so on, including B9 = 9 + A9. How much larger is the sum of set B's elements than the sum of set A's elements?
58 Two years ago, Sam put $1,000 into a savings account. At the end of the first year, his account had accrued $100 in interest bringing his total balance to $1,100. The next year, his account balance increased by 10%. At the end of the two years, by what percent has Sam's account balance increased from his initial deposit of $1,000?
59 If 0 < x < 7 and y < 9, then the lowest possible value for xy is
60 Line segments AB and CD are of equal length and perpendicular bisectors of one another. If a line segment is drawn connecting point A to point C, what is the measure of angle ACD?