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来源	题目内容
Ready4	<p>If z = xy, then does z = 1?p> <p>(1) x(y − x) = 0p> <p>(2) y(x − y) = 0p>
Ready4	<p>Is $y$ a positive number?p> <p>p> <p>1) $33y> 44y$ p> <p>2) $y+1$ is positive. p>
Ready4	<p>Is $a > b$ ?p> <p>(1) $\|a\| > \|b\|$ p> <p>(2) $\|a-b\| > 0$ p>
Ready4	<p>What is the value of $a^2-b^2$ ?p> <p>(1) $a-b=0$ p> <p>(2) $a+b=0$ p>
PREP07 Test 2	The integers m and p are such that 2 < m < p and m is not a factor of p. If r is the remainder when p is divided by m, is r > 1 ? (1) The greatest common factor of m and p is 2. (2) The least common multiple of m and p is 30.
Ready4	<p>Is $x$ less than 40?p> <p>(1) The sum of $x$ and $y$ is less than 40.p> <p>(2) $y$ is less than 40.p>
Ready4	<p zoompage-fontsize="16">Even the organizers were amazed at the success of the Mumbai marathon, which attracted a record ten thousand participants; this is likely to result in increased sponsorship revenues for the hitherto neglected sports event.p>
Ready4	<p>Is a⁵ − b² − c² > 0 ?p> <p>(1) ab > 0p> <p>(2) bc > 0p>
Ready4	<p>A square mirror has a square wooden frame of uniform width surrounding it. If the ratio of the area of the mirror to the area of the wooden frame is 25 to 24, which of the following could be the width, in inches, of the wooden frame?p> <p> I. 1p> <p> II. 2p> <p>III. 5p>
PREP07 Test 1	If integer p is greater than 1, is p a prime number?(1) p is odd.(2) The only positive factors of p are 1 and p.
Ready4	<p>p> <p>On the number line above, is the sum of $<font color='#FE8080'>p</font>$ and $q$ negative?p> <p>(1) $<font color='#FE8080'>p</font>$ is negative.p> <p>(2) $q$ is negative.p>
Ready4	<p>What is the longest possible straight line contained inside a certain cube?p> <p>(1) One edge of the cube measures 10 inchesp> <p>(2) One face of the cube has an area of 100 square inchesp>
Ready4	<p>A right triangle has two legs of equal length. What is the triangle's perimeter in meters?p> <p>(1) The area of the triangle is 3 square meters.p> <p>(2) The hypotenuse of the triangle measures 3 meters.p>
Ready4	<p>If $l$ and $w$ represent the length and width, respectively, of a rectangle, then what is the perimeter?p> <p>p> <p>(1) $2l + w = 48$ p> <p>(2) $l + w = 30$ p>
Ready4	<p>A team of British researchers, having spent three seasons investigating and mapping a region in West Antarctica, has discovered a massive ancient subglacial trough deeper than the Grand Canyon.p>
Ready4	<p class="ng-scope">A set of numbers has the property that for any number $z$ in the set, $z^{2}$ and $z^{3}$ are also in the set. If −3 is in the set, which of the following must also be in the set?p> <p class="ng-scope">p> <p class="ng-scope">I. −27p> <p class="ng-scope">II. 27p> <p class="ng-scope">III. 81p> <p class="ng-scope"> p>
Ready4	<p>If $x$ is a prime number, isp> <p> $15x^3+30x^2+6x+9$ p> <p>divisible by $x^2$ ?p> <p>(1) $x^2 > 4$ and $x^2 < 30$ p> <p>(2) $x^2-10x+21=0$ p>
Ready4	<p>The subsets of the set $\{<font color='#FE8080'>p</font>,q,r\}$ are:p> <p> $\{<font color='#FE8080'>p</font>\}$ , $\{q\}$ , $\{r\}$ , $\{<font color='#FE8080'>p</font>,q\}$ ,p> <p> $\{<font color='#FE8080'>p</font>,r\}$ , $\{q,r\}$ , $\{<font color='#FE8080'>p</font>,q,r\}$ ,p> <p>and $\{\ \}$ (the empty subset)p> <p>How many subsets of the set $\{<font color='#FE8080'>p</font>,q,r,s\}$ contain both $<font color='#FE8080'>p</font>$ and $q$ ?p>
Ready4	<p class="ng-scope">Is the positive integer $x$ a multiple of 48?p> <p class="ng-scope">p> <p class="ng-scope">(1) $x$ is a multiple of 4.p> <p class="ng-scope">(2) $x$ is a multiple of 12.p>
Ready4	<p>What is the area of rectangle $T$ ?p> <p>p> <p>(1) The width of rectangle $T$ is $7$ .p> <p>(2) The perimeter of rectangle $T$ is $62$ .p>