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GMAT Data Sufficiency Practice Test 3
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GMAT Data Sufficiency Practice Test 3
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20 Questions

1. A chemist is making an alloy of tin and copper. How many total grams are in the alloy? (1)The ratio of tin to copper in the alloy is 1 to 4. (2)The number of grams of copper in the alloy is 36.
2. If images, what is the value of images? (1) m = –4 (2)m is an even integer such that |m| < 10.
3. A chemist is making an alloy of tin and copper. How many total grams are in the alloy? (1)The ratio of tin to copper in the alloy is 1 to 4. (2)The number of grams of copper in the alloy is 36.
4. If x and y are integers, is images an integer? (1)x = 24 (1)x = y3(y2 – 1)
5. images
In triangle PQR, triangles RPY and RYQ have areas 90 and 45, respectively. What is the length of images? (1)Angle Q is a right angle. (2)PY = XQ = 10
6. What is the perimeter of the rectangle? (1)The length of the rectangle is 3 meters more than its width. (2)The perimeter of the rectangle is 6 meters less than 4 times its length.
7. images
The figure shown on the grid consists of five rectangles. If the four outer rectangles are folded up and taped to make an open box, what is the box’s volume in cubic centimeters? (1)The base of the box is a square. (2)x = 5
8. images
In ΔABC, what is the smallest possible value for the whole number n? (1)∠A ≅ ∠B (2)AB = 15
9. Does 5x – 2y = 0? (1)images (2)x – y < 0
10. Is x < 0? (1)images (2)x5 + 3 < 0
11. Does 5x – 2y = 0? (1)images (2)x – y < 0
12. A tank for holding water is in the shape of a right circular cylinder. What is the diameter of the base of the cylinder? (1)When the tank is at full capacity, the volume of water in the tank is 128π cubic feet. (2)When the tank is images full, the volume of water in the tank is 96π cubic feet.
13. Is x < 0? (1)images (2)x5 + 3 < 0
14. If images, what is the value of images? (1) m = –4 (2)m is an even integer such that |m| < 10.
15. A pet store specializes in selling Scottish terrier dogs. Does the pet store have a greater number of male Scottish terriers? (1)The number of male Scottish terriers is less than 2 times the number of female Scottish terriers. (2)One-fourth of the number of female Scottish terriers is less than the number of male Scottish terriers.
16. images
In the preceding diagram of circle C, chord images intersects chord images at W. If XW = z + 12, UW = z + 3, and WV = z, what is the length of images? (1)XW = 6WY (2)WY = 3
17. How many centimeters will a cylindrical barrel roll in 10 revolutions along a smooth surface? (1)The diameter of the barrel is 56 centimeters. (2)The radius of the barrel is 28 centimeters.
18. A pet store specializes in selling Scottish terrier dogs. Does the pet store have a greater number of male Scottish terriers? (1)The number of male Scottish terriers is less than 2 times the number of female Scottish terriers. (2)One-fourth of the number of female Scottish terriers is less than the number of male Scottish terriers.
19. What is the perimeter of the rectangle? (1)The length of the rectangle is 3 meters more than its width. (2)The perimeter of the rectangle is 6 meters less than 4 times its length.
20. A sales clerk in a computer store earns a 1% commission on all computer and accessory sales that the clerk makes. Last week, what were the clerk’s total sales? (1)Last week, the clerk sold two $399 laptop computers and one $249 notebook computer. The clerk also sold suitable accessories to go along with these sales. (2)Last week, the clerk earned $13.72 in commission.

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