题库 | 考满分，百万出国党的口碑之选。

序号	题目内容
21	What percent of the drama club members enrolled at a certain school are female students?(1)Of the female students enrolled at the school, 40 percent are members of the drama club.(2)Of the male students enrolled at the school, 25 percent are members of the drama club.
22	On a recent trip, Mary drove 50 miles. What was the average speed at which she drove the 50 miles?(1) She drove 30 miles at an average speed of 60 miles per hour and then drove the remaining 20 miles at an average speed of 50 miles per hour.(2) She drove a total of 54 minutes.
23	In Mr, Smith's class, what is the ratio of the number of boys to the number of girls?(1) There are 3 times as many girls as boys in Mr. Smith's class.(2) The number of boys is 1/4 of the total number of boys and girls in Mr. Smith's class
24	If the sequence S has 300 terms, what is the 293rd term of S?(1) The 298th term of S is -616, and each term of S after the first is 2 less than the preceding term.(2) The first term of S is -22.
25	On a certain date, Hannah invested $5,000 at x percent simple annual interest and a different amount at y percent simple annual interest. What amount did Hannah invest at y percent simple annual interest?(1)The total amount of interest earned by Hannah`s due investments in one year was $900.(2)Hannah invested the $5,000 at 6 percent simple annual interest.
26	The profit from the sale of a certain appliance increases, though not proportionally, with the number of units sold. Did the profit exceed $4 million on sales of 380,000 units?(1)The profit exceeded $2 million on sales of 200,000 units.(2)The profit exceeded $5 million on sales of 350,000 units.
27	If n is an integer, is n even?(1)$$n^2 - 1$$ is an odd integer.(2)3n + 4 is an even integer.
28	Carmen currently works 30 hours per week at her part-time job. If her gross hourly wage were to increase by $1.50, how many fewer hours could she work per week and still earn the same gross weekly pay as before the increase?(1)Her gross weekly pay is currently $225.00.(2)An increase of $1.50 would represent an increase of 20 percent of her current gross hourly wage.
29	If 90 students auditioned for the school musical, how many were accepted?(1) 2/3 of the boys and 1/3 of the girls who auditioned were accepted.(2) 26 of the boys who auditioned were accepted.
30	A circular tub has a band painted around its circumference, as shown above. What is the surface area of this painted band?(1)x = 0.5(2)The height of the tub is 1 meter.
31	d = 0.43t7If t denotes the thousandths digit in the decimal representation of d above, what digit is t ?(1)If d were rounded to the nearest hundredth, the result would be 0.44.(2)If d were rounded to the nearest thousandth, the result would be 0.436.
32	If A and B are positive integers, is the product AB even?(1) The sum A + B is odd(2) A is even.
33	The weights of all dishes of type X are exactly the same, and the weights of all dishes of type Y are exactly the same. Is the weight of 1 dish of type X less than the weight of 1 dish of type Y ?(1)The total weight of 3 dishes of type X and 2 dishes of type Y is less than the total weight of 2 dishes of type X and 4 dishes of type Y.(2)The total weight of 4 dishes of type X and 3 dishes of type Y is less than the total weight of 3 dishes of type X and 4 dishes of type Y.
34	A certain high school with a total enrollment of 900 students held a science fair for three days last week. How many of the students enrolled in the high school attended the science fair on all three days?(1) Of the students enrolled in the school, 30 percent attended the science fair on two or more days.(2) Of the students enrolled in the school, 10 percent of those that attended the science fair on at least one day attended on all three days.
35	The inside of a rectangular carton is 48 centimeters long, 32 centimeters wide, and 15 centimeters high. The carton is filled to capacity with k identical cylindrical cans of fruit that stand upright in rows and columns, as indicated in the figure above. If the cans are 15 centimeters high, what is the value of k ?(1)Each of the cans has a radius of 4 centimeters.(2)Six of the cans fit exactly along the length of the carton.
36	For the system of equations given, what is the value of z?(1)x=7(2)t = 5
37	The average (arithmetic mean) price of the 3 items that Kate purchased from a clothing store was $50. If there was no sales tax on any item that had a price of less than $80 and 6 percent sales tax on all other items, what was the total sales tax on the 3 items that Kate purchased?(1) The price of the most expensive item that Kate purchased from the store was $100.(2) The price of the least expensive item that Kate purchased from the store was $10.
38	A scientist recorded the number of eggs in each of 10 birds' nests. What was the standard deviation of the numbers of eggs in the 10 nests?(1)The average (arithmetic mean) number of eggs for the 10 nests was 4.(2)Each of the 10 nests contained the same number of eggs.
39	Terry holds 12 cards, each of which is red, white, green, or blue. if a person is to select a card randomly from the cards Terry is holding, is the probability less than 1/2 that the card selected will be either red or white?(1) The probability that the person will select a blue card is 1/3.(2) The probability that the person will select a red card is 1/6.
40	The selling price of an article is equal to the cost of the article plus the markup. The markup on a certain television set is what percent of the selling price?(1)The markup on the television set is 25 percent of the cost.(2)The selling price of the television set is $250.

序号

题目内容

What percent of the drama club members enrolled at a certain school are female students?(1)Of the female students enrolled at the school, 40 percent are members of the drama club.(2)Of the male students enrolled at the school, 25 percent are members of the drama club.

On a recent trip, Mary drove 50 miles. What was the average speed at which she drove the 50 miles?(1) She drove 30 miles at an average speed of 60 miles per hour and then drove the remaining 20 miles at an average speed of 50 miles per hour.(2) She drove a total of 54 minutes.

In Mr, Smith's class, what is the ratio of the number of boys to the number of girls?(1) There are 3 times as many girls as boys in Mr. Smith's class.(2) The number of boys is 1/4 of the total number of boys and girls in Mr. Smith's class

If the sequence S has 300 terms, what is the 293rd term of S?(1) The 298th term of S is -616, and each term of S after the first is 2 less than the preceding term.(2) The first term of S is -22.

On a certain date, Hannah invested $5,000 at x percent simple annual interest and a different amount at y percent simple annual interest. What amount did Hannah invest at y percent simple annual interest?(1)The total amount of interest earned by Hannah`s due investments in one year was $900.(2)Hannah invested the $5,000 at 6 percent simple annual interest.

The profit from the sale of a certain appliance increases, though not proportionally, with the number of units sold. Did the profit exceed $4 million on sales of 380,000 units?(1)The profit exceeded $2 million on sales of 200,000 units.(2)The profit exceeded $5 million on sales of 350,000 units.

If n is an integer, is n even?(1)$$n^2 - 1$$ is an odd integer.(2)3n + 4 is an even integer.

Carmen currently works 30 hours per week at her part-time job. If her gross hourly wage were to increase by $1.50, how many fewer hours could she work per week and still earn the same gross weekly pay as before the increase?(1)Her gross weekly pay is currently $225.00.(2)An increase of $1.50 would represent an increase of 20 percent of her current gross hourly wage.

If 90 students auditioned for the school musical, how many were accepted?(1) 2/3 of the boys and 1/3 of the girls who auditioned were accepted.(2) 26 of the boys who auditioned were accepted.