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GMAT Data Sufficiency Practice Test 4
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GMAT Data Sufficiency Practice Test 4
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20 Questions

1. If x and y are positive integers, is xy a multiple of 18? (1)x is a multiple of 6. (2)y is a multiple of 15.
2. If images, where k is a constant, what is the value of y when x = 360? (1)images when x = 540 (2)xy = k
3. A hoodie that usually sells for $85.00 is marked down for an end-of-season clearance sale. If the sales tax rate is 8%, how much does a customer pay for the hoodie at the marked-down price including tax? (1)Including tax, the customer saves a total of $18.36. (2)The sales tax on the marked-down price is $5.44.
4. If images, where a ≠ 0, what is the value of x? (1)3x = 6a – 8 (2)images
5. A box contains a collection of marbles, all identical except for color. Each marble is either black, red, or white. If a marble is randomly drawn from the box, what is the probability that the marble is white? (1)The box contains 120 marbles. (2)There are twice as many black marbles as white marbles in the box.
6. If x and y are positive integers such that x + y = 10, what is the value of y? (1)37 < 5x + 2y < 41 (2)x > 5
7. Two friends rented a light-duty moving truck. The rental store charges $19.99 per hour or portion thereof for the truck rental plus $0.55 per mile traveled, with no charge for gasoline. How much did the friends pay for renting the truck? (1)The total round-trip mileage was 100 miles. (2)The friends returned the truck after 3 hours 20 minutes.
8. If x and y are positive integers, is xy a multiple of 18? (1)x is a multiple of 6. (2)y is a multiple of 15.
9. images
What is the area of the preceding triangle ABC? (1)mA = mB = mC = 60° (2)AB = 12
10. In a survey of students at a small private college, what percent are taking a foreign language? (1)Twenty percent of the female students surveyed are taking a foreign language. (2)Fifteen percent of the male students surveyed are taking a foreign language.
11. images
What is the area of the preceding triangle ABC? (1)mA = mB = mC = 60° (2)AB = 12
12. A driver makes a trip of d miles. The driver’s average speed is 63 miles per hour for the first part of the trip and 70 miles per hour for the second part of the trip. Was the distance traveled for the second part of the trip longer than the distance traveled for the first part of the trip? (1)The time for the first part of the trip is 2 hours. (2)The total time for the entire trip is 3 hours 48 minutes.
13. A quilted shawl is made up of 9-inch by 9-inch squares. What is its perimeter? (1)The shawl has four rows and six columns. (2)The shawl consists of 24 squares.
14. A hoodie that usually sells for $85.00 is marked down for an end-of-season clearance sale. If the sales tax rate is 8%, how much does a customer pay for the hoodie at the marked-down price including tax? (1)Including tax, the customer saves a total of $18.36. (2)The sales tax on the marked-down price is $5.44.
15. images
In the preceding figure, what is the length of images? (1)images and images are medians. (2)DF = 15
16. Is the variance of the population set of data values x1, x2, …, x100 equal to 9? (1)For each data value xi, |xiμ| = 3, where μ is the mean of the population. (2)The standard deviation is 3.
17. If images, where a ≠ 0, what is the value of x? (1)3x = 6a – 8 (2)images
18. What is the value of a20 if an = a1 + (n – 1)d? (1)a4 = 17 (2)a10 = 47
19. A quilted shawl is made up of 9-inch by 9-inch squares. What is its perimeter? (1)The shawl has four rows and six columns. (2)The shawl consists of 24 squares.
20. If a bicycle is traveling at 5 miles per hour, how fast is the bicycle’s front wheel turning in revolutions per minute? (1)The front wheel has a diameter of 25 inches. (2)The bicycle is traveling at 440 feet per minute.