|
OG17 OG18 OG19 OG20 OG2022
|
If the range of the six numbers 4, 3, 14, 7, 10, and x is 12, what is the difference between the greatest possible value of x and least possible value of x ?
|
|
OG16 OG17 OG18 OG19 OG20 OG2022
|
$$\sqrt{{4.8}*{10}^{9}}$$ is closest in value to
|
|
OG16 OG17 OG18 OG19 OG20 OG2022
|
In a recent election, Ms. Robbins received 8,000 votes cast by independent voters, that is, voters not registered with a specific political party. She also received 10 percent of the votes cast by those voters registered with a political party. If N is the total number of votes cast in the election and 40 percent of the votes cast were cast by independent voters, which of the following represents the number of votes that Ms. Robbins received?
|
|
数论
|
If p, s, and t are positive prime numbers, what is the value of $${p}^{3}{s}^{3}{t}^{3}$$ ?(1) $${p}^{3}{s}{t}={728}$$(2) t = 13
|
|
|
If x and y are integers, what is the value of $${2}{x}^{6y}-{4}$$ ?(1) $${x}^{2y}={16}$$(2) xy = 4
|
|
|
Is x < 0 ? (1) $${x}^{3}<{x}^{2}$$ (2) $${x}^{3}<{x}^{4}$$
|
|
OG16 OG17 OG18 OG19
|
A rectangular floor that measures 8 meters by 10 meters is to be covered with carpet squares that each measure 2 meters by 2 meters. If the carpet squares cost $12 apiece, what is the total cost for the number of carpet squares needed to cover the floor?
|
|
|
If x, y, and z are consecutive even positive integers, which of the following could be equal to x + y + z ?
|
|
应用题
|
The positive numbers w, x, y, and z are such that x is 20 percent greater than y, y is 20 percent greater than z, and w is 20 percent less than x. What percent greater than z is w ?
|
|
|
Machine M processes a certain chemical product at a constant rate. Does machine M process the product at a rate that is greater than 25 grams per second? (1 kilogram = 1,000 grams)(1) Machine M processes the product at a rate that is greater than 92 kilograms per hour.(2) Machine M processes the product at a rate that is less than 95 kilograms per hour.
|
|
|
Is –7 < y < 10 ?(1) y > -6(2) y < 0
|
|
|
If x and y are integers, is y an even integer?(1) $${2}{y}-{x}={x}^{2}-{y}^{2}$$(2) x is an odd integer.
|
|
PREP07 Test 1
|
For which of the following functions f is f（x） = f（1-x） for all x?
|
|
|
If $$r = \frac{(x+y)}{2}$$ and $$s = \frac{(x-y)}{2}$$, what is the value of r + s?(1) y = 4(2) x = 6
|
|
排列组合
|
An analyst will recommend a combination of 3 industrial stocks, 2 transportation stocks, and 2 utility stocks. If the analyst can choose from 5 industrial stocks, 4 transportation stocks, and 3 utility stocks, how many different combinations of 7 stocks are possible?
|
|
|
Is 12 a factor of the positive integer n?(1) n is a factor of 36.(2) 3 is a factor of n.
|
|
|
A retailer bought a machine at a wholesale price of $90 and later on sold it after a 10% discount of the retail price. If the retailer made a profit equivalent to 20% of the wholesale price, what is the retail price of the machine?
|
|
|
Of the 2,500 tons of ore mined daily at a quarry, 0.4 percent results in a certain pure metal. In how many days of mining will the total amount of pure metal produced at the quarry be equal to the daily amount of ore mined?
|
|
OG18-数学分册
|
Company C produces toy trucks at a cost of $5.00 each for the first 100 trucks and $3.50 for each additional truck. If 500 toy trucks were produced by Company C and sold for $10.00 each, what was Company C's gross profit?
|
|
|
If n is an integer, is $${10}^{n}\leq 0.001$$ ?(1) $$n \leq -2$$(2) n > -5
|