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GMAT Data Sufficiency Practice Test 2
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GMAT Data Sufficiency Practice Test 2
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20 Questions

1. At an appliance store’s going-out-of-business sale, 152 customers bought a washer only, a dryer only, or both a washer and a dryer. If 22 customers bought both a washer and a dryer, how many customers bought only a washer? (1)Ninety-four customers bought a washer. (2)Eighty customers bought a dryer.
2. In October, the amount Jaime spent on food was images of the amount she spent on rent. The amount Jaime spent on rent was how many times the average (arithmetic mean) of the total amounts she spent on food and clothing? (1)The amount she spent on clothing was images of the amount she spent on food. (2)The amount she spent on rent was 250% of the amount she spent on food.
3. An urn contains 15 marbles, all identical except for color. Each marble is either black, green, or red. What is the probability of drawing a black or red marble when a single marble is drawn at random from the urn? (1)The number of red marbles is 2. (2)The number of green marbles is 5.
4. A vertical asymptote is a vertical line that corresponds to a value for the variable that produces zero in the denominator of a simplified rational function. At what value of x does the graph of the function images have a vertical asymptote? (1)a = 2 (2)b = –3
5. Myla has only dimes and quarters in a coin bank. How many dimes are in the coin bank? (1)There are 33 coins altogether. (2)The face value of the coins is $4.35.
6. Working alone, Dylan can paint a room in 3 hours. How many hours does Drake, working alone, take to paint the room? (1)The time needed for Drake painting alone is 48 minutes longer than for Dylan and Drake painting the room together. (2)Working together, Dylan and Drake can paint the room in 1 hour 12 minutes.
7. An urn contains 15 marbles, all identical except for color. Each marble is either black, green, or red. What is the probability of drawing a black or red marble when a single marble is drawn at random from the urn? (1)The number of red marbles is 2. (2)The number of green marbles is 5.
8. The square of integer m is 20 more than the square of integer n. What is the difference between the two integers? (1)n2 = 16 (2)m2 = 36
9. If g(x) is in the domain of f, what is the value of f(g(–1))? (1)f = {(–1, 2), (1, 5), (3, –4)} (2)g = {(–4, 2), (–1, 3), (4, –4)}
10. The sum of two numbers is 20. What is the value of the larger number? (1)The product of the two numbers is 96. (2)The larger number is 20 minus the smaller number.
11. The sum of two numbers is 20. What is the value of the larger number? (1)The product of the two numbers is 96. (2)The larger number is 20 minus the smaller number.
12. The majority of the science majors at a small college are freshmen and sophomores, while the remainder are juniors and seniors. What fraction of the science majors are seniors? (1)Seven-twelfths of the science majors are freshmen and sophomores. (2)The total number of junior and senior science majors is 150.
13. Images
In the preceding figure, is triangle ABC similar to triangle ADE? (1)Angle C is a right angle. (2)D is the midpoint of images.
14. If all of the fans at the game are either home-team fans or visiting-team fans, how many of the 6,000 fans at the game are home-team fans? (1)Twenty percent of the fans at the game are from out of town. (2)The home-team fans outnumber the visiting-team fans by 540.
15. Myla has only dimes and quarters in a coin bank. How many dimes are in the coin bank? (1)There are 33 coins altogether. (2)The face value of the coins is $4.35.
16. At an appliance store’s going-out-of-business sale, 152 customers bought a washer only, a dryer only, or both a washer and a dryer. If 22 customers bought both a washer and a dryer, how many customers bought only a washer? (1)Ninety-four customers bought a washer. (2)Eighty customers bought a dryer.
17. The sale price of a jacket was $125. After the sale, the price increased. What is the percent increase over the sale price? (1)The original price was $156.25. (2)The sale price increased by $25.
18. Images
In the preceding figure, what is the degree measure of x? (1)m∠PON = 65° (2)m∠POM = 115°
19. If all of the fans at the game are either home-team fans or visiting-team fans, how many of the 6,000 fans at the game are home-team fans? (1)Twenty percent of the fans at the game are from out of town. (2)The home-team fans outnumber the visiting-team fans by 540.
20. What is the value of f(3)? (1)f(n) = 2f(n – 1) + f(n–2), for n ≥3 (2)f(2) = 2

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