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OG12 OG15 OG16 OG17 OG18 OG19 OG20 OG2022
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In a certain business, production index p is directly proportional to efficiency index e, which is in turn directly proportional to investment index i. What is p if i = 70 ?(1)e = 0.5 whenever i = 60.(2)p = 2.0 whenever i = 50.
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If $$m > 0$$ and $$n > 0$$, is $$\frac{m+x}{n+x} >\frac m n$$(1)$${m}<{n}$$(2)$$x >0$$
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Is $$\frac{1}{p} >\frac{r}{r^2+2}$$?(1)P=r(2)$$r >0$$
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OG12 PREP07 Test 2
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If n is a positive integer, is $$n^3 - n$$ divisible by 4 ?(1)$$n = 2k + 1$$, where k is an integer.(2)$$n^2 + n$$ is divisible by 6.
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PREP07 Test 1
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Henry purchased 3 items during a sate. He received a 20 percent discount off the regular price the most expensive item and a 10 percent discount off the regular price of each of the other 2 items. Was the total discount of these three items greater than 15 percent of the sum of the regular prices of the 3 items?(1)The regular price of the most expensive item was $50, and the regular price of the next most expensive item was $20.(2)The regular price of the least expensive item was $15.
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OG12 OG15 OG16 OG17
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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 students enrolled in neither?(1)In College X there are 60 students enrolled in a chemistry course.(2)In College X there are 85 students enrolled in a biology course.
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OG12 OG15
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For which type of investment, J or K, is the annual rate of return greater?(1)Type J returns $115 per $1,000 invested for any one-year period and type K returns $300 per $2,500 invested for any one-year period.(2)The annual rate of return for an investment of type K is 12 percent.
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OG12 OG15 OG16 OG17 OG18
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A citrus fruit grower receives $15 for each crate of oranges shipped and $18 for each crate of grapefruit shipped. How many crates of oranges did the grower ship last week?(1)Last week the number of crates of oranges that the grower shipped was 20 more than twice the number of crates of grapefruit shipped.(2)Last week the grower received a total of $38,700 from the crates of oranges and grapefruit shipped.
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OG12 OG15 OG16 OG17 OG18
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If Pat saved $600 of his earnings last month, how much did Pat earn last month?(1)Pat spent $$\frac{1}{2}$$ of his earnings last month for living expenses and saved $$\frac{1}{3}$$ of the remainder.(2)Of his earnings last month, Pat paid twice as much in taxes as he saved.
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OG12 OG15 OG16
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What percent of the drama club members enrolled at a certain school are female students?(1)Of the female students enrolled at the school, 40 percent are members of the drama club.(2)Of the male students enrolled at the school, 25 percent are members of the drama club.
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OG12 OG15 OG16 OG17 OG18
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If n is an integer, is n even?(1)$$n^2 - 1$$ is an odd integer.(2)3n + 4 is an even integer.
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OG12 OG15
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If $${p}_{1}$$ and $${p}_{2}$$ are the populations and $${r}_{1}$$ and $${r}_{2}$$ are the numbers of representatives of District 1 and District 2, respectively, the ratio of the population to the number of representatives is greater for which of the two districts?(1)$${p}_{1} >{p}_{2}$$(2)$${r}_{2} >{r}_{1}$$
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OG12 OG15 OG16 OG17 OG18
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If a < x < b and c < y < d, is x < y?(1)a < c(2)b < c
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OG12
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If a total of 84 students are enrolled in two sections of a calculus course, how many of the 84 students are female?(1)$$\frac{2}{3}$$ of the students in Section 1 are female.(2)$$\frac{1}{2}$$ of the students in Section 2 are male.
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if $$y= 4 + (x-3)^2$$, then y is lowest when x=
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Fermat primes are prime numbers that can be written in the form $${2}^{k}+{1}$$, where k is an integer and a power of 2. Which of the following is NOT a Fermat prime
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OG12 OG15 OG16
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If 1 kilometer is approximately 0.60 mile, which of the following best approximates the number of kilometers in 2 miles?
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2, 4, 6, 8, n, 3, 5, 7, 9In the list above, if n is an integer between l and 10, inclusive, then the median must be
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OG12 OG15 OG16 OG17
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If $${y}(\frac{3x-5}{2})={y}$$ and $$y\neq0$$,then x=
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OG12 OG15
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lf x+5>2 and x-3<7, the value of x must be between which of the following pairs of numbers?
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