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GMAT Quantitative: Data Sufficiency Practice Test 3
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Data Sufficiency questions are exclusive to the GMAT.

Each Data Sufficiency question poses a question, followed by two statements. Your task is to evaluate the statements to determine at what point there is or is not sufficient information to answer the question.

Unlike the Problem Solving questions, you do not actually have to answer the question posed. Instead, you select one of five fixed answer choices that offer different options about the sufficiency of the information provided in the two statements. 

GMAT Quantitative: Data Sufficiency Practice Test 3
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25 Questions

1. Is 2k>13-->? (1) 6<k-0.6<7--> (2) k+0.8--> rounded to the nearest integer is 8.
2. How many members are in the photography club? (1) If the photography club doubles its membership, it will have at least 34 members. (2) If the photography club loses 5 members, it will have fewer than 13 members.
3. In the figure shown, if ABCD is a parallelogram, what is the value of y?image (1) w=125--> (2) z=55-->
4. In the triangle shown y<z-->. If j<x<k-->, what is the least value of k?image (1) y=5--> (2) z=17-->
5. A square is inscribed in a circle. What is the area of the circle? (1) The area of the square is 18. (2) The circumference of the circle is 6π-->.
6. If m and n are positive integers, what is the greatest possible value of n? (1) m5+n5<1,200--> (2) m5=0-->
7. If k is a positive integer, what is the value of k? (1) k2<10--> (2) k5>30-->
8. What is the area of the rectangular floor? (1) The length of the floor is 4 feet greater than its width. (2) The perimeter of the floor is 56 feet.
9. If p is a prime number, what is the value of p? (1) 10<p-3<16--> (2) p2=289-->
10. A specialty bakery sells decorated one-layer cakes for $40 and two-layer decorated cakes for $75. If last month the bakery’s total sales for decorated one-layer and two-layer cakes was $13,900, how many decorated one-layer and two-layer cakes did the bakery sell last month? (1) Last month, the number of decorated one-layer cakes sold was 40 less than twice the number of decorated two-layer cakes sold. (2) Last month, the number of decorated two-layer cakes sold was 60 less than the number of decorated one-layer cakes sold.
11. Each day, Sergio feeds his cat a 500-gram mixture of Brand X and Brand Y cat foods. If Sergio’s cat eats only this mix of cat food and she consumes 103 grams of fat per day, what is the amount of Brand X cat food that she receives each day? (1) Brand X cat food consists of 35 percent fat. (2) Brand Y cat food consists of 11 percent fat.
12. Store X has a sale on the store brand of canned tomatoes. A customer buys a six-month supply of the store-brand canned tomatoes. How much money does the customer save? (1) The customer uses 4 cans of tomatoes every month. (2) The cans of tomatoes are reduced in price to 4 for $1.
13. If y=ax--> and x=bz-->, what is y=ax--> when z=75-->? (1) x=12--> when z=60-->. (2) y=2--> when z=50-->.
14. A survey of seniors and juniors at a small college revealed 50 are seniors who live off-campus. How many students were surveyed? (1) 80 of the students surveyed are seniors and the rest are juniors. (2) 120 of the students surveyed live off campus and the rest live on campus.
15. In a city that has a 6 percent sales tax rate, Vinod purchases a cotton shirt and a cashmere sweater. If the cost of the shirt, excluding sales tax, is $100, what was the total amount that Vinod paid for the shirt and sweater, including sales tax? (1) The sales tax on the sweater is $19.20. (2) The total sales tax is $25.20-->.
16. If 0<xy-->, what is the value of x? (1) x2+2xy=12y+36--> (2) y(x3-216)=0-->
17. How many math majors are in Professor X’s physics class? (1) If Professor X admits 10 more students into the class, and if all the newly admitted students are math majors, then the ratio of non-math majors to math majors would be 5 to 4. (2) Currently, there are 25 non-math majors in Professor X’s class.
18. Adwoa drove a distance of 288 miles from city A to city B. At what time did Adwoa leave city A? (1) Adwoa drove an average speed of 72 miles per hour. (2) Adwoa arrived in city B at 2 p.m.
19. Is wz(x+y)--> a negative even integer? (1) w, x, and y are positive odd integers. (2) z is a negative even integer.
20. What is the value of x? (1) x2+x-12=0--> (2) x2<25-->
21. Was Rylon’s average speed greater than 55 miles per hour? (1) Rylon drove 100 miles in 1 hour 48 minutes. (2) Rylon drove 60 miles at an average speed of 60 miles per hour, and then drove 40 miles at an average speed of 50 miles per hour.
22. In the circular region shown, what portion of the total area is section A?image (1) Sections A and B account for 89--> of the total area. (2) Section B takes up three times as much area as section C.
23. Is (1+0.01r)(1-0.01s)>1--> (1) r>s--> (2) 0.01rs<r-s-->
24. Is the positive integer n divisible by 24? (1) n is divisible by 12. (2) n is even.
25. An investor invests $10,000 at R percent simple annual interest and a different amount at P percent simple annual interest. What total amount did the investor invest? (1) The total amount of interest earned by the two investments in one year is $1,800. (2) R%=6%-->.