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GMAT考满分·题库

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来源	题目内容
Ready4	<p>If $ab \neq 0$ , is $\frac{1}{a}- \frac{1}{b}=10$ ?p> <p>(1) $b=2a$ p> <p>(2) $b-a=10ab$ p>
Ready4	<p>A tortoise moves at a constant speed of 15 feet per minute. If the tortoise moves across a field, is the distance that the tortoise moves less than 0.1 mile? (1 mile = 5,280 feet)p> <p>(1) It takes the tortoise less than 0.6 hour to move across the field.p> <p>(2) It takes the tortoise more than 0.5 hour to move across the field.p>
Ready4	<p>For which type of investment, A or B, is the annual rate of return greater?p> <p> p> Type A returns $120 per $1,000 invested for any one-year period and type B returns $96 per $2,400 invested for any one-year period. The annual rate of return for an investment of type B is 4 percent. <p> p>
Ready4	<p>Each of a company's divisions has pledged to make an equal sales contribution to an annual total revenue of $240,000. How many divisions does the company have?p> <p>(1) Each division has pledged to contribute $30,000 in sales.p> <p>(2) If 2 divisions fail to contribute, the share of each contributing division will increase by $10,000 to reach the total amount pledged originally.p>
Ready4	<p>A commuter has a total of 40 tokens this month to ride the bus or the subway. Each bus token cost $3. Each subway token cost $2. How many subway tokens does the commuter have?p> <p>(1) The average (arithmetic mean) cost of each token the commuter has is $2.25.p> <p>(2) The commuter paid a total of $90 for all tokens this month.p>
Magoosh	For how many unique coordinate points (P, Q), such that P and Q are integers, is it true that $$P^{2} - Q^{2} =$$ 1155?
Ready4	<p>If $a$ and $b$ are positive integers, and $x=\frac{a}{b}$ , is $x$ an integer?p> <p>(1) $a$ is a multiple of $10$ p> <p>(2) $b$ is a divisor of $10$ p>
Ready4	<p>If $b$ and $y$ are nonzero numbers, is $\frac{a}{b} < \frac{x}{y}$ ?p> <p>(1) $a < b$ p> <p>(2) $x > y$ p>
Ready4	<p>If $a$ and $b$ are positive, is $\tfrac{b}{a}<\tfrac{a}{b}$ ?p> <p>(1) $\tfrac{b}{9a}=\tfrac{4}{5}$ p> <p>(2) $b=a+6$ p>
Ready4	<p>What is the number of $360$ degree rotations that a motor scooter wheel made while rolling $1{,}200$ feet in a straight line without slipping?p> <p>(1) The area of the scooter wheel, including the tire, is $90.25\pi$ square inches.p> <p>(2) The diameter of the scooter wheel, including the tire, is $19$ inches.p>
Ready4	<p>Is $x$ to the left of $-8$ on the number line?p> <p>(1) $x$ is to the left of $-6$ on the number line.p> <p>(2) $x$ is between $-9$ and $-7$ on the number line.p>
Ready4	<p>If $z$ is an integer and $6 < z<12$ , what is the value of $z$ ?p> <p>(1) $z$ is a factor of $45$ .p> <p>(2) $z$ is a factor of $36$ .p>
Ready4	<p>Is $n$ between $-1$ and $3$ on the number line?p> <p>(1) $n$ is to the left of $2$ on the number line.p> <p>(2) $n$ is to the right of $0$ on the number line.p>
Ready4	<p>[GMAT-Math-7224-q]p> <p>The length of arc $XYZ$ is $5 \pi$ on the circle above with center $O$ . What is the circumference of the circle?p>
Ready4	<p>[GMAT-Math-7220-q]p> <p>In the figure above, line segment QR has length 12, and rectangle MPQT is a square. If the area of rectangular region MPRS is 540, what is the area of rectangular region TQRS?p>
Ready4	<p>Is the positive integer $x$ a multiple of $12$ ?p> <p>(1) $\frac{x}{2}$ is a multiple of $6$ .p> <p>(2) $2x$ is a multiple of $24$ .p>
Ready4	<p>Is the mean of set $Q$ greater than its median?p> <p>(1) All the elements in $Q$ are consecutive multiples of $2$ .p> <p>(2) The sum of all the elements in $Q$ is $100$ .p>
Ready4	<p>If $x$ is a positive integer, is $(10x-1)$ divisible by $y$ ?p> <p>(1) $x$ is a multiple of $y$ p> <p>(2) $y$ is a prime numberp>
Ready4	<p>What is the sum of x, y, and z?p> <p>(1) $x : y : z = 3 : 8 : 9$ p> <p>(2) $y - x = 20$ p>
Ready4	<p>If $n$ is an integer, is $n\left \|n \right \|>3^n$ ?p> <p>(1) $n<-1$ p> <p>(2) $n=-11$ p>