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191222 还原机经选题: 数论&代数	p q r are positive integers, p+q+r=5, how many factors does $$2^p3^q5^r$$ have? (1)p+q=3 (2)q+r=3
Ready4	<p>If $2$ different animals are to be selected at random from a group of $16$ cats and dogs, and if $<font color='#FE8080'>p</font>$ is the probability that one cat and one dog will be selected, is $<font color='#FE8080'>p</font> > \frac{1}{2}$ ?p> <p>(1) At most $6$ animals are dogs.p> <p>(2) The probability that both animals selected will be cats is greater than $\frac{1}{2}$ .p>
Ready4	<p>If $x \neq 0$ , what is the value of $x$ ?p> <p>(1) $x^x=x$ p> <p>(2) $(\frac{1}{x})^x=x$ p>
Ready4	<p>If $x$ is a positive integer, is $x^2(x-1)$ divisible by 10?p> <p>(1) $x$ is a multiple of 5p> <p>(2) $x$ is a multiple of 2p>
	If $${P}({r})={8}\frac{r}{1-r}$$, for what value of r does $${P}({r})=\frac{1}{2}{P}(3)$$?
Ready4	<p>Three programmers $N$ , $<font color='#FE8080'>P</font>$ , and $Q$ working simultaneously and independently at their respective constant rates, can write 10,000 lines of code in 3 hours. How long does it take Programmer $N$ , working alone at a constant rate, to write all lines of the code?p> <p>(1) Programmers $N$ and $<font color='#FE8080'>P</font>$ , working simultaneously and independently at their respective constant rates, can write all lines of the code in 4 hours.p> <p>(2) Programmers $N$ and $Q$ , working simultaneously and independently at their respective constant rates, can write all lines of the code in 6 hours.p>
Ready4	<p>Is $xy > 5$ ?p> <p>(1) $x^{2}-15x+50 = 0$ p> <p>(2) $y^{2}-10y+5 = 5$ p>
Ready4	<p>If $d$ is an integer, is $d=d^3$ ?p> <p>(1) $d < 1$ p> <p>(2) $d < 0$ p>
Ready4	<p>If $a$ , $b$ , and $c$ are integers, is $abc$ odd?p> <p>(1) $ab$ is oddp> <p>(2) $bc$ is oddp>
OG20 OG2022	If each side of parallelogram P has length 1, what is the area of P ? 1.One angle of P measures 45 degrees. 2.The altitude of P is $$\frac{\sqrt{2}}{2}$$
OG18-数学分册	If p, s, and t are positive, is \|ps - pt\| > p(s - t)?(1) p < s(2) s < t
Ready4	<p>If x is an integer, what is the value of $\frac{1}{(x^{5} - 1)}$ ?p> <p>(1) $x^{2} -4x=0$ p> <p>(2) $x^{2} < 1$ p>
Ready4	<p>If $x$ and $y$ are positive integers, is $9x < 7y$ ?p> <p>(1) $\frac{x}{y} < 0.777$ p> <p>(2) $\frac{y}{x} > 1.286$ p>
Ready4	<p>In the sequence $M$ of numbers, each term after the first two terms is the sum of the two immediately preceding terms. What is the 5th term of $M$ ?p> <p>(1) The 5th term of $M$ plus the 6th term equals 26.p> <p>(2) The 6th term of $M$ minus the 4th term equals 10.p>
Ready4	<p class="ng-scope">According to the passage, which of the following contributed to Evers’s role in the NAACP campaign to desegregate the University of Mississippi Law School?p> <p class="ng-scope"> p>
Magoosh	The numbers p and q are both positive. If p percent of 160 equals q percent of 40, then $$\frac{p}{q} =$$
	Are positive integers p and q both greater than n?(1)p- q is greater than n.(2)q>p
PREP07 Test 2	Are positive integers p and q both greater than n ? (1) p - q is greater than n . (2) q > p
190124	p,s,t are prime numbers. $$p^{3}s^{3}t^{3}$$=？ 1：$$p^{3}st$$=728 2：t=13
Ready4	<p>A set of numbers has the property that for any number $y$ in the set, $-3y$ is also in the set. If $-2$ is in the set, which of the following must also be in the set?p> <p> I. $\frac{2}{3}$ p> <p> II. $6$ p> <p>III. $18$ p>