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OG19 OG20 OG2022
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The 10 students in a history class recently took an examination. What was the maximum score on the examination?
(1)The mean of the scores was 75,
(2)The standard deviation of the scores was 5.
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OG19 OG20 OG2022
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How many men are in a certain company's vanpool program?
(1)The ratio of men to women in the program is 3 to 2.
(2)The men and women in the program fill 6 vans.
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OG19 OG20 OG2022
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How many basic units of currency X are equivalent to 250 basic units of currency Y?
(1)100 basic units of currency X are equivalent to 625 basic units of currency Y.
(2)2,000 basic units of currency X are equivalent to 12, 500 basic units of currency Y
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OG19 OG20 OG2022
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What is the circumference of circle C?
(1)The radius of circle C is 2π
(2)The center of circle C is located at point (7, 8)in the xy-plane
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OG19 OG20 OG2022
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if a certain vase contains only roses and tulips, how many tulips are there in the vase?
(1 )The number of roses in the vase is 4 times the number of tulips in the vase .
(2)There is a total of 20 flowers in the vase.
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OG19 OG20 OG2022
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In a certain class, some students donated cans of food to a local food bank .What was the average(arithmetic mean)number of cans donated per student in the class?
(1) The students donated a total of 56 cans of food.
(2) The total number of cans donated was 40 greater than the total number of students in the class.
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OG19 OG20 OG2022
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Robin invested a total of $12,000 in two investments, X and Y, so that the investments earned the same amount of simple annual interest .How many dollars did Robin invest in investment Y ?(1) Investment X paid 3 percent simple annual interest, and investment Y paid 6 percent simple annual interest.(2) Robin invested more than $1,000 in investment X.
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OG19 OG20 OG2022
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What is the number of pages of a certain journal article?
(1)The size of each page is $$5\frac{1}{2}$$ inches by 8 inches.
(2)The average(arit metic mean)number of words per page is 250.
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OG19 OG20 OG2022
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Each of the n employees at a certain company has a different annual salary.What is the median of the annual salaries of the n employees?
(1)When the annual salaries of the n employees are listed in increasing order, the median is the 15th salary.
(2)The sum of the annual salaries of the n employees is $913, 500.
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OG19 OG20 OG2022
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A bicycle store purchased two bicycles, one for $250 and the other for $375. and sold both bicycles at a total gross profit of $250. If the store sold one of the bicycles for $450, which of the following could be the stores gross profit from the sale of the other bicycle?
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Of the following, which is the closest to $$\frac{60.3}{1.03*4.86}$$?
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Last year $48,000 of a certain store's profit was shared by its 2 owners and their 10 employees. Each of the 2 owners received 3 times as much as each of their 10 employees. How much did each owner receive from the $48,000 ?
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A retailer purchased eggs at $2.80 per dozen and sold the eggs at 3 eggs for $0.90. What was the retailers gross profit from purchasing and selling 5 dozen eggs? (1 dozen eggs= 12 eggs)
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OG19 OG20
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A small business invests $9, 900 in equipment to produce a product. Each unit of the product costs $0.65 to produce and is sold for $1.20. How many units of the product must be sold before the revenue received equals the total expense of production, including the initial investment in equipment?
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OG19 OG20 OG2022
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The price of gasoline at a service station increased from $1.65 per gallon last week to $1.82 per gallon this week. Sally paid $26.40 for gasoline last week at the station. How much more Will Sally pay this week at the station for the same amount of gasoline ?
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OG19 OG20 OG2022
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A certain restaurant that regularly advertises through the mail has 1,040 cover letters and 3,000 coupons in stock .In its next mailing ,each envelope will contain 1 cover letters and 2 coupons .If all of the cover letters in stock are used ,how many coupons will remain in stock after this mailing?
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10 ，4 ，26 ，16
What is the median of the number shown ?
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Ron is 4 inches taller than Amy ,and Barbara is 1 inch taller than Ron .If Barbara's height is 65 inches ,what is the median height ,in inches ,of these three people ?
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Over the past 7 weeks, the Smith family had weekly grocery bills of $74, $69 ,$64, $79, $64, $84, and $77. What was the Smiths'average(arithmetic mean) weekly grocery bill over the 7-week period?
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OG19 OG20 OG2022
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The quotient when a certain number is divided by $$\frac{2}{3}$$ is $$\frac{9}{2}$$ . What is the number ?
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