题型 
题目内容 
DS数学 
What is the number of pages of a certain journal article?(1)The size of each page is512 inches by 8 inches.(2)The average(arithme...

DS数学 
A garden store purchased a number of shovels and a number of rakes. If the cost of each shovel was $14 and the cost of each rake w...

DS数学 
Is m > k ?(1) 3m > 3k(2) 2m > 2k

DS数学 
What is the value of $$\mid x\mid $$ ?(1)$$x = \mid x \mid$$(2)$${x}^{2}$$ = 4

DS数学 
If a certain vase contains only roses and tulips, how many tulips are there in the vase?(1)The number of roses in the vase is 4 ti...

DS数学 
Of the students who eat in a certain cafeteria, each student either likes or dislikes lima beans and each student either likes or ...

DS数学 
If k is a positive integer, is k the square of an integer?(1) k is divisible by 4.(2) k is divisible by exactly 4 different prime ...

DS数学 
What percent of a group of people are women with red hair?(1)Of the women in the group, 5 percent have red hair.(2)Of the men in t...

DS数学 
If p is a positive integer, what is the value of p ?(1) p/4 is aprime number.(2) p is divisible by 3.

DS数学 
The cost of 10 pounds of apples and 2 pounds of grapes was $12. What was the cost per pound of apples?(1)The cost per pound of gra...

DS数学 
How many different prime numbers are factors of the positive integer n ?(1) Four different prime numbers are factors of 2n(2) Four...

DS数学 
If w and z are positive, is$$\frac{w}{z}$$ < 1 ?(1) w < z(2) z < 4

DS数学 
In a certain class, one student is to be selected at random to read. What is the probability that a boy will read?(1)Twothirds of...

DS数学 
What was the median annual salary for the employees at Company X last year?(1)Last year there were 29 employees at Company X(2)Las...

DS数学 
Is the product of a certain pair of integers even?(1)The sum of the integers is odd(2)One of the integers is even and the other is...

DS数学 
The sale price of a certain jacket was 15 percent less than its original price, and the sale price of a certain shirt was 10 perce...

DS数学 
In College X the number of students enrolled in both a chemistry course and a biology course is how much less than the number of s...

DS数学 
How many basic units of currency X are equivalent to 250 basic units of currency Y?(1)100 basic units of currency X are equivalent...

DS数学 
If k is an integer and 2 < k < 8, what is the value of k ?(1) k is a factor of 30(2) k is a factor of 12

DS数学 
If x, y, and z are integers, is x + y + 2z even?(1) x + z is even.(2) y + z is even.
