|
|
According the passage, one of the ways in which analog recording systems differ from digital recording systems is that analog systems
|
|
|
Is x equal to 5?(1)$$x \ge 5$$(2)$$x \le 5$$
|
|
OG12
|
What is the value of the two-digit integer x ?(1)The sum of the two digits is 3.(2)x is divisible by 3.
|
|
|
If $${x}{y}≠{0}$$, is $$\frac x y<0$$ ?(1)x=-y(2)-x = -(-y)
|
|
OG12 OG15
|
 What is the value of z in the triangle above?(1)x + y=139(2)y + z = 108
|
|
|
If x,y, and z are nonzero numbers, is xz = 12?(1)$${x}^{2}yz= 12xy$$(2)$$\frac{z}{4}=\frac{3}{x}$$
|
|
|
A certain company currently has how many employees?(1)If 3 additional employees are hired by the company and all of the present employees remain, there will be at least 20 employees in the company.(2)If no additional employees are hired by the company and 3 of the present employees resign, there will be fewer than 15 employees in the company.
|
|
|
What is the value of $$\frac1 x+\frac1 y$$?(1)x+ y= 14(2)xy=24
|
|
OG12 OG15
|
If m is an integer, is m odd?(1)$$\frac m 2$$ is not an even integer.(2)m - 3 is an even integer.
|
|
OG12 OG15
|
Paula and Sandy were among those people who sold raffle tickets to raise money for Club X. If Paula and Sandy sold a total of 100 of the tickets, how many of the tickets did Paula sell?(1)Sandy sold $$\frac2 3$$ as many of the raffle tickets as Paula did.(2)Sandy sold 8 percent of all the raffle tickets sold for Club X.
|
|
|
Is ax = 3-bx?(1)x(a + b) = 3(2)a = b = 1.5 and x = 1
|
|
OG12 OG15 OG16
|
Is rst = 1 ?(1)rs= 1(2)st= 1
|
|
|
If a, b, and c are in integers. is a-b+c greater than a + b- c?(1)b is negative.(2)c is positive.
|
|
OG12 OG15
|
If a certain animated cartoon consists of a total of 17,280 frames on film, how many minutes will it take to run the cartoon?(1)The cartoon runs without interruption at the rate of 24 frames per second.(2)It takes 6 times as long to run the cartoon as it takes to rewind the film, and it takes a total of 14 minutes to do both.
|
|
OG12 OG15
|
 If the successive tick marks shown on the number line above are equally spaced and if x and y are the numbers designating the end points of intervals as shown, what is the value of y ?(1)$$x=\frac1 2$$(2)$$y-x =\frac2 3$$
|
|
OG12 OG15 OG16 OG17
|
On a company-sponsored cruise, $$\frac2 3$$ of the passengers were company employees and the remaining passengers were their guests. If $$\frac3 4$$ of the company-employee passengers were managers, what was the number of company-employee passengers who were NOT managers?(1)There were 690 passengers on the cruise.(2)There were 230 passengers who were guests of the company employees.
|
|
OG12 OG15 OG16 OG17
|
The length of the edging that surrounds circular garden K is $$\frac12$$ the length of the edging that surrounds circular garden G. What is the area of garden K ? (Assume that the edging has negligible width.)(1)The area of G is 25π square meters.(2)The edging around G is l0π meters long.
|
|
OG12 OG15 OG16
|
How many of the 60 cars sold last month by a certain dealer had neither power windows nor a stereo?(1)Of the 60 cars sold, 20 had a stereo but not power windows.(2)Of the 60 cars sold, 30 had both power windows and a stereo.
|
|
|
By what percent did the median household income in Country Y decrease from 1970 to 1980?(1)In 1970 the median household income in Country Y was$$\frac2 3$$ of the median household income in Country X.(2)In 1980 the median household income in Country Y was $$\frac1 2$$ of the median household income in Country X.
|
|
PREP07 Test 2
|
A certain group of car dealerships agreed to donate x dollars to a Red Cross chapter for each car sold during a 30-day period. What was the total amount that was expected to be donated?(1)A total of 500 cars were expected to be sold.(2)Sixty more cars were sold than expected. so that the total amount actually donated $28,000.
|