搜索结果 | GMAT考满分，百万出国党的口碑之选。

GMAT考满分·题库

收录题目9362道

搜索结果共4976条

来源	题目内容
Ready4	A circular well is constructed within a circular garden. The circumference of the well's opening is $\frac{1}{5}$ that of the garden. What is the area of the well's opening? The area of the garden is $25 π$ square meters. The edging around the garden is $10 π$ meters long.
Ready4	The ages of all children in Group A are the same, and the ages of all children in Group B are the same. Is the age of a child in Group A less than the age of a child in Group B? The sum of the ages of 3 children in Group A and 2 children in Group B is less than the sum of ages of 2 children in Group A and 4 children in Group B. The sum of the ages of 4 children in Group A and 3 children in Group B is less than the sum of ages of 3 children in Group A and 4 children in Group B.
Ready4	A bag holds 12 balls, each of which is colored white, black, gray, or green. If a person is to select a ball randomly from the bag, is the probability less than $\frac{1}{2}$ that the ball selected will be either white or green? The probability that the person will select a gray ball is $\frac{1}{3}$ . The probability that the person will select a green ball is $\frac{1}{6}$ .
Ready4	If $a$ and $b$ are prime numbers, what is the value of $\|a-b\|$ ? (1) $(a+b)$ is also a prime number (2) $a$ and $b$ are both less than 5
Ready4	If $a$ , $b$ , and $c$ are positive integers, is $(a-b)(b-c)(a-c) > 0$ ? (1) $a^2-ac-ab+bc=0$ (2) $ab-b^2-ac+bc=0$
Ready4	If $x$ is a positive integer, is $x^2(x-<font color='#FE8080'>1</font>)$ divisible by 10? (1) $x$ is a multiple of 5 (2) $x$ is a multiple of 2
Ready4	Rectangle $A$ has a diagonal of 10 feet, and rectangle $B$ has a diagonal of 20 feet. What is the ratio of the area of $A$ to the area of $B$ ? (1) The ratio of length to width for each rectangle is the same. (2) The width of rectangle $B$ is 100% longer than the width of rectangle $A$ .
Ready4	What is the circumference of the circle above with center $O$ ? (1) The perimeter of $\Delta ODF$ is $12+6\sqrt{2}$ . (2) The length of arc $DEF$ is $3\pi$ .
Ready4	A circular container has a band painted around its circumference, as shown above. What is the surface area of the painted band? (1) $x=2$ (2) The height of the container is 7 inches.
Ready4	The lengths of all boards of type $R$ are exactly the same, and the lengths of all boards of type $S$ are exactly the same. Is the length of 1 board of type $R$ greater than the length of 1 board of type $S$ ? (1) The total length of 4 boards of type $R$ and 4 boards of type $S$ is less than the total length of 3 boards of type $R$ and 5 boards of type $S$ . (2) The total length of 3 boards of type $R$ and 2 boards of type $S$ is less than the total length of 2 boards of type $R$ and 3 boards of type $S$ .
Ready4	Three copiers $X$ , $Y$ , and $Z$ , working simultaneously and independently at their respective constant rates, can copy a certain document in 6 minutes. How long does it take Copier $Z$ , working alone at its constant rate, to copy the document? (1) Copiers $X$ and $Y$ , working simultaneously and independently at their respective constant rates, can copy the document in 12 minutes. (2) Copiers $X$ and $Z$ , working simultaneously and independently at their respective constant rates, can copy the document in 9 minutes.
Ready4	What is the value of $\frac{x}{3} + \frac{y}{3}$ ? (1) $\frac{x + y}{3} = 6$ (2) $x+y=18$
Ready4	What is the value of $\frac{a}{4} - \frac{b}{4}$ ? (1) $\frac{a - b}{4} = 12$ (2) $a-b=24$
Ready4	On a certain date, Ronin invested $2,000 at $x$ percent simple annual interest and a different amount at $y$ percent simple annual interest. What amount did Ronin invest at $y$ percent simple annual interest? (1) Ronin invested $2,000 at 4 percent simple annual interest. (2) The total amount of interest earned by Ronin's two investments in one year was $200.
Ready4	On a certain date, Kacper invested $3,000 at $x$ percent simple annual interest and a different amount at $y$ percent simple annual interest. What amount did Kacper invest at $y$ percent simple annual interest? (1) The amount of interest earned at $y$ percent simple annual interest in one year was $50. (2) The total amount of interest earned by Kacper's two investments in one year was $200.
Ready4	In the triangle above, does $a^2+b^2=c^2$ ? (1) $x-y=0$ (2) $x+y=90$
Ready4	If $x$ is an integer, is $\|x\| -<font color='#FE8080'>1</font>^x \le 0$ ? (1) $x=0$ (2) $x < 0$
Ready4	A group of people bought $180 worth of theater tickets costing either $10 or $25. How many tickets costing $10 were bought? (1) Fewer than 4 tickets costing $25 were bought. (2) More than 10 tickets costing $10 were bought.
Ready4	In the figure shown, $w=90$ . Are lines $n$ and $p$ parallel? (1) $x=w$ (2) $y=180-z$
Ready4	What is the value of $x+y$ in the figure above? (1) $w=70$ (2) $z=85$