|
|
if R. S. and T are numbers on the number line, not necessarity in that order, what is the distance between R and T?(1) The distance between R and S is 50.(2) The distance between S and T is 41
|
|
|
Yesterday it took a certain plane 3 hours to fly from City A to City B at an average speed of 400 miles per hour. Today the same plane flew from City A to City B along the same route at an average speed of 450 miles per hour. How many more yesterday than it took today?
|
|
|
If $$\mid M+4\mid =2$$, what is the value of M?(1) M<0(2) $${M}^{2}+{8}{M}+{12}={0}$$
|
|
OG18-数学分册
|
At the opening of a trading day at a certain stock exchange, the price per share of stock K was $8. If the price per share of stock K was $9 at the closing of the day, what was the percent increase in the price per share of stock K for that day?
|
|
|
Before a certain tire is used, 40 percent of its total weight consists of tread. If during a lifetime of use, 50 percent, by weight, of the tire's tread is lost and no other parts of the tire is lost, what per cent of the tire's total remaining weight consists of the remaining tread?
|
|
PREP07 Test 1
|
A certain company sold 800 units of its product for $8 each and 1,000 units of its product for $5 each. If the company's cost of producing each unit of its product was $6, what was the company's profit or loss on the 1,800 units of its product?
|
|
|
In a stack of cards, 9 cards are blue and the rest are red. If 2 cards are to be chosen at random from the stack without replacement, the probability that the cards chosen will both be blue is $$\frac{6}{11}$$. What is the number of cards in the stack?
|
|
OG16 OG17 OG18 OG19 OG20 OG2022
|
If k is an integer and $$({0.0025})({0.025})({0.00025})\times{10}^{k}$$ is an integer, what is the least possible value of k?
|
|
|
Is | x |<1?(1) | x + 1 | = 2 | x - 1 |(2) $$| x - 3 | \neq 0$$
|
|
|
If $$ xy \neq 0$$, what is the value of $$\frac{25x^2}{y^2}$$?(1) x = 3(2) 5x - 2y = 0
|
|
OG15 OG16 OG17 OG18 OG19 OG20 OG2022
|
A certain characteristic in a large population has a distribution that is symmetric about the mean m. If 68 percent of the distribution lies within one standard deviation d of the mean, what percent of the distribution is less than m + d ?
|
|
|
Wind resistance created by opening windows while driving results in a fuel penalty as great or greater than is incurred by using air conditioning.
|
|
GWD
|
It can be inferred that the author of the passage and Clayton would both agree that
|
|
|
What is the value of $$a^{-2}b^{-3}$$?(1)$$a^{-3}b^{-2}=36^{-1}$$(2)$$(ab)^{-1}=6^{-1}$$
|
|
|
If $${R}=\frac{P}{Q}$$ , is $$R\le P$$ ? (1) $$P > 50$$ (2) $$0 < Q \le 20$$
|
|
OG16 OG17 OG18 OG19 OG20 OG2022
|
 The number line shown contains three points R, S, and T, whose coordinates have absolute values r, s, and t, respectively. Which of the following equals the average (arithmetic mean) of the coordinates of the points R, S, and T ?
|
|
|
In a certain game played with red chips and blue chips, each red chip has a point value of X and each blue chip has a point value of Y, where X>Y and X and Y are positive integers. If a player has 5 red chips and 3 blue chips, what is the average (arithmetic mean ) point value of the 8 chips that the player has?(1) The average point value of one red chip and one blue chip is 5.(2) The average point value of the 8 chips that the player has is an integer.
|
|
|
|-4| (|-20|-|5|)=
|
|
|
What is the maximum integer value of M for which $$\frac{12!}{2^M}$$ is an integer?
|
|
|
The operation* represents either addition, subtraction, or multiplication of integers, what is the value of 1*0?(1) 0*2=2(2) 2*0=2
|