题库 | 考满分，百万出国党的口碑之选。

序号	题目内容
161	In the xy-coordinate plane, line m and line k intersect at the point (4, 3). Is the product of their slopes negative?(1) The product of the x-intercepts of lines m and k is positive.(2) The product of the y-intercepts of lines m and k is negative.
162	If n is a positive integer and r is the remainder when $$n^2 - 1$$ is divided by 8, what is the value of r ?(1) n is odd.(2) n is not divisible by 8.
163	In a certain election, 240 men and 280 women voted for the winning candidate. What was the total number of men and women who voted in the election?(1) The number of women who voted was 7/8 the number of men who voted.(2) Of the men and women who voted, 30 percent of the men and 40 percent of the women voted for the winning candidate.
164	If mv < pv < 0, is v > 0 ? (1) m < p (2) m < 0
165	If x and y are points on the number line, what is the value of x + y ?(1) 6 is halfway between x and y. (2) y = 2x
166	If the prime numbers p and t are the only prime factors of the integer m, is m a multiple of $$p^2t$$ ?(1) m has more than 9 positive factors.(2) m is a multiple of $$p^3$$.
167	A certain circular area has its center at point P and has radius 4, and points X and Y lie in the same plane as the circular area. Does point Y lie outside the circular area? (1) The distance between point P and point X is 4.5.(2) The distance between point X and point Y is 9.
168	In a certain senior class, 72 percent of the male students and 80 percent of the female students have applied to college. What fraction of the students in the senior class are male?(1) There are 840 students in the senior class. (2) 75 percent of the students in the senior class have applied to college.
169	Greta and Randy collected bottles to be recycled. How many bottles did Randy collect?(1) Greta and Randy collected a total of 85 bottles. (2) Greta collected 15 more bottles than Randy did.
170	If zt < -3, is z < 4 ?(1) z < 9 (2) t < -4
171	If k is a positive integer and the tens digit of k + 5 is 4, what is the tens digit of k ?(1) k > 35 (2) The units digit of k is greater than 5.
172	If a and b are nonzero numbers on the number line, is 0 between a and b ? (1) The distance between 0 and a is greater than the distance between 0 and b.(2) The sum of the distances between 0 and a and between 0 and b is greater than the distance between 0 and the sum a + b .
173	In the xy-plane, line k passes through the point (1,1) and line m passes through the point (1,-1). Are lines k and m perpendicular to each other?(1) Lines k and m intersect at the point (1,-1).(2) Line k intersects the x-axis at the point (1,0).
174	Each week Connie receives a base salary of $500, plus a 20 percent commission on the total amount of her sales that week in excess of $1,500. What was the total amount of Connie’s sales last week?(1) Last week Connie’s base salary and commission totaled $1,200.(2) Last week Connie’s commission was $700.
175	Ann bought five different kinds of fruit: apples, oranges, pears, mangoes, and bananas. If the number of apples that Ann bought was twice the number of oranges and if the number of pears that Ann bought was the same as the number of apples and oranges combined, what fraction of the total number of pieces of fruit that Ann bought were pears? (1) Ann bought a total of 18 pieces of fruit. (2) Ann bought 5 bananas.
176	In 1995 Division A of Company X had 4,850 customers. If there were 86 service errors in Division A that year, what was the service-error rate, in number of service errors per 100 customers, for Division B of Company X in 1995 ? (1) In 1995 the overall service-error rate for Divisions A and B combined was 1.5 service errors per 100 customers. (2) In 1995 Division B had 9,350 customers, none of whom were customers of Division A.
177	If x and y are positive integers, is x an even integer?(1) x (y + 5) is an even integer.(2) $$6y^2+ 41y + 25$$ is an even integer.
178	In the figure shown, point O is the center of the semicircle and points B, C, and D lie on the semicircle. If the length of line segment AB is equal to the length of line segment OC, what is the degree measure of angle BAO ?(1) The degree measure of angle COD is 60. (2) The degree measure of angle BCO is 40.
179	Working independently at their respective constant rates, pumps X and Y took 48 minutes to fill an empty tank with water. What fraction of the water in the full tank came from pump X ? (1) Working alone at its constant rate, pump X would have taken 80 minutes to fill the tank with water.(2) Working alone at its constant rate, pump Y would have taken 120 minutes to fill the tank with water.
180	What is the value of $$v^3 - k^3$$ ?(1) vk > 0(2) v - k = 6

序号

题目内容

161

In the xy-coordinate plane, line m and line k intersect at the point (4, 3). Is the product of their slopes negative?(1) The product of the x-intercepts of lines m and k is positive.(2) The product of the y-intercepts of lines m and k is negative.

162

If n is a positive integer and r is the remainder when $$n^2 - 1$$ is divided by 8, what is the value of r ?(1) n is odd.(2) n is not divisible by 8.

163

In a certain election, 240 men and 280 women voted for the winning candidate. What was the total number of men and women who voted in the election?(1) The number of women who voted was 7/8 the number of men who voted.(2) Of the men and women who voted, 30 percent of the men and 40 percent of the women voted for the winning candidate.

164

If mv < pv < 0, is v > 0 ? (1) m < p (2) m < 0

165

If x and y are points on the number line, what is the value of x + y ?(1) 6 is halfway between x and y. (2) y = 2x