|
Manhattan
|
What is$$\frac{3}{5} of \frac{5}{8} of \frac{2}{3}?$$
|
|
Manhattan
|
If Renee earns a raise of between 5% and 10%, non-inclusive, by what fraction could her salary have increased?
|
|
OG18-定量推理
|
A couple decides to have 4 children. If they succeed in having 4 children and each child is equally likely to be a boy or a girl, what is the probability that they will have exactly 2 girls and 2 boys?
|
|
OG18-定量推理
|
 In the figure above, what is the area of triangular region BCD?
|
|
OG18-定量推理
|
If x = $$-\frac{5}{8}$$ and y =$$ -\frac{1}{2}$$, what is the value of the expression $$-2x -y^{2}$$
|
|
OG18-定量推理
|
$$\sqrt{16+16}$$
|
|
OG18-定量推理
|
The price of a certain stock increased by 0.25 of 1 percent on a certain day. By what fraction did the price of the stock increase that day?
|
|
OG18-定量推理
|
In a field day at school, each child who competed in n events and scored a total of p points was given an overall score of $$\frac{p}{n} + n. $$Andrew competed in 1 event and scored 9 points. Jason competed in 3 events and scored 5,6, and 7 points, respectively . What was the ratio of Andrew's overall score to Jason's overall score?
|
|
|
A certain club has 20 members. What is the ratio of the number of 5-member committees that can be formed from the members of the club to the number of 4-member committees that can be formed from the members of the club?
|
|
|
A rectangular yard (white area) is surrounded by a hedge (shaded region) with a length of 15 meters and a width of 12 meters, as shown in the figure above. The area of the yard is equal to the area of the hedge. If the ratio of the length of the hedge to the width of the hedge is the same as the ratio of the length of the yard to the width of the yard, what is the width, in meters, of the yard?
|
|
应用题
|
A total of 30 percent of the geese included in a certain migration study were male. If some of the geese migrated during the study and 20 percent of the migrating geese were male, what was the ratio of the migration rate for the male geese to the migration rate for the female geese?[Migration rate for geese of a certain sex = (number of geese of that sex migrating) / (total number of geese of that sex)]
|
|
排列组合
|
From a group of 3 boys and 3 girls, 4 children are to be randomly selected. What is the probability that equal numbers of boys and girls will be selected?
|
|
排列组合
|
When tossed, a certain coin has equal probability of landing on either side. If the coin is tossed 3 times, what is the probability that it will land on the same side each time?
|
|
OG18-定量推理
|
If x and y are integers such that $$2 < x \le 8$$ and $$2 < y \le 9$$, what is the maximum value of $$\frac{1}{x} - \frac{x}{y}$$?
|
|
KMFPS
|
A rectangular yard (white area) is surrounded by a hedge (shaded region) with a length of 15 meters and a width of 12 meters, as shown in the figure above. The area of the yard is equal to the area of the hedge. If the ratio of the length of the hedge to the width of the hedge is the same as the ratio of the length of the yard to the width of the yard, what is the width, in meters, of the yard?
|
|
OG19-定量推理
|
If x and y are integers such that $$2 < x \leq 8$$ and
$$2 < y \leq 9$$, what is the maximum value of $$\frac{1}{x}-\frac{x}{y}$$ ?
|
|
OG19-定量推理
|
The price of a certain stock increased by 0.25 of
1 percent on a certain day. By what fraction did the
price of the stock increase that day?
|
|
OG19-定量推理
|
In a field day at a school, each child who competed in n events and scored a total of p points was given an overall score of $$\frac{p}{n}+ n$$ . Andrew competed in 1 event and scored 9 points. Jason competed in 3 events and scored 5, 6, and 7 points, respectively. What was the ratio of Andrew's overall score to Jason's overall score?
|
|
OG19-定量推理
|
If $$ x =-\frac{5}{8}$$and $$ y =-\frac{1}{2}$$ , what is the value of the expression $$ -2x - y^{2}$$ ?
|
|
OG19-定量推理
|
Of all the students in a certain dormitory, $$\frac{1}{2}$$ are first year students and the rest are second-year students. !f $$\frac{4}{5}$$ of the first-year students have not declared a major and if the fraction of second-year students who have declared a major is 3 times the fraction of first-year students who have declared a major, what fraction of all the students in the dormitory are· second-year students who have not declared a major?
|