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 1

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25 Questions

1. If k is an integer and M and D are the least common multiple and the greatest common factor of 9k+8--> and 6k+5-->, respectively, is M=54k2+93k+40-->? (1) D=1--> (2) D is a factor of 3k+3-->

Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked.Each statement ALONE is sufficient to answer the question asked.Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.Both statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient to answer the question asked.

2. What is the value of m-n-->? (1) n2=25--> (2) m2=49-->

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.Each statement ALONE is sufficient to answer the question asked.Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked.Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.Both statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient to answer the question asked.

3. If n>1-->, does the integer n have a prime factor k? (1) 1<k<n--> (2) 10!+2≤n≤10!+10-->

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked.Both statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient to answer the question asked.Each statement ALONE is sufficient to answer the question asked.

4. What is the area of the right triangle shown? (1) a+b=14--> (2) c2=a2+36-->

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.Each statement ALONE is sufficient to answer the question asked.Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked.Both statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient to answer the question asked.

5. Amari, Belen, and Chiaki all make purchases from the same vendor at an outdoor market. The vendor sells fruits and vegetables priced at a certain amount for each one. How much does Chiaki pay for 1 banana and 2 navel oranges? (1) Amari bought four bananas for $1.00. (2) Belen bought 3 bananas and 6 navel oranges for $6.15.

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked.Both statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient to answer the question asked.Each statement ALONE is sufficient to answer the question asked.Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.

6. If K is a positive integer, what is the units digit of K? (1) The units digit of 2K is 6. (2) The hundreds digit of 100K is 8.

Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked.Each statement ALONE is sufficient to answer the question asked.Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.Both statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient to answer the question asked.Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.

7. In the figure shown, what is the value of x? (1) a=b=4--> (2) c=42-->

Both statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient to answer the question asked.Each statement ALONE is sufficient to answer the question asked.Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked.Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.

8. If m and n are positive integers, is mn<37-->? (1) mn<0.42--> (2) (mn)-1>2.5-->

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked.Each statement ALONE is sufficient to answer the question asked.Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.Both statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient to answer the question asked.

9. A mixture consists of flaxseed and cornmeal in the ratio 1 to 4, respectively. How many cups of flaxseed are used to make the mixture? (1) There are a total of 15 cups in the mixture. (2) The ratio of the number of cups of flaxseed to the total number of cups in the mixture is 1 to 5.

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked.Both statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient to answer the question asked.Each statement ALONE is sufficient to answer the question asked.Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.

10. What is the remainder when the 4-digit positive number, 1,000a+100b+10c+d-->, is divided by 3? (1) a+b+c+d=17--> (2) (1,000a+100b+10c+d)-2--> is divisible by 3.

Each statement ALONE is sufficient to answer the question asked.Both statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient to answer the question asked.Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked.Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.

11. A sales clerk in an electronics store earns commission on total weekly sales. What amount, in dollars, did the sales clerk earn as commission on last week’s total sales? (1) The electronic store pays sales personnel a commission rate of 2 percent on total weekly sales. (2) The amount of the sales clerk’s total weekly sales last week was $500 more than the sales clerk’s total weekly sales the previous week.

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked.Both statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient to answer the question asked.Each statement ALONE is sufficient to answer the question asked.Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.

12. If the mean (arithmetic average) of eight numbers is 60, how many of the eight numbers equal 60? (1) None of the eight numbers is less than 60. (2) None of the eight numbers is greater than 60.

Both statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient to answer the question asked.Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked.Each statement ALONE is sufficient to answer the question asked.

13. An investor purchases a certificate of deposit with a fixed interest rate of 2% per year, compounded annually, and a term of five years. At the end of the fifth year, how much interest has the investment earned? (1) At the end of the first year, the value of the investment is $5,100. (2) At the end of the third year, the value of the investment is $5,306.04.

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.Both statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient to answer the question asked.Each statement ALONE is sufficient to answer the question asked.Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked.

14. How many dolls does Josephine currently have? (1) If Josephine gets 2 more dolls for her birthday, she will have a least 14 dolls. (2) If Josephine donates 3 of her dolls to a toy drive, she will have less than 10 dolls.

Each statement ALONE is sufficient to answer the question asked.Both statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient to answer the question asked.Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked.

15. If Hollis’s gross hourly pay is increased by $2 per hour, how many fewer hours per week could Hollis work to earn the same gross weekly pay that she currently receives for working 40 hours per week? (1) A pay increase of $2 per hour will result in a new gross hourly pay that is 119--> of Hollis’s current gross hourly pay. (2) Hollis’s current gross weekly pay is $720.

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked.Each statement ALONE is sufficient to answer the question asked.Both statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient to answer the question asked.

16. If m and n are both positive integers is m+n46--> an integer? (1) m=n4+n5--> (2) m=n4(n2-1)-->

Both statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient to answer the question asked.Each statement ALONE is sufficient to answer the question asked.Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked.Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.

17. If a>0-->, what is the value of a12-->? (1) a18=16--> (2) a132=2-->

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked.Each statement ALONE is sufficient to answer the question asked.Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.Both statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient to answer the question asked.

18. What is the value of x-4--> ? (1) x-2=225--> (2) x4=150,625-->

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.Both statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient to answer the question asked.Each statement ALONE is sufficient to answer the question asked.Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked.Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.

19. In a fleet of 70 cars that are either black or white. What is the ratio of the number of black cars to the number of white cars in the fleet? (1) The number of black cars is 10 more than twice the number of white cars. (2) The ratio of the number of black cars to the number of cars in the fleet is 37--> more than the ratio of the number of white cars to the number of cars in the fleet.

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.Both statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient to answer the question asked.Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked.Each statement ALONE is sufficient to answer the question asked.

20. Is x2>1-->? (1) x<1--> (2) x>-1-->

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.Both statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient to answer the question asked.Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked.Each statement ALONE is sufficient to answer the question asked.Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.

21. Do at least 40 percent of the students enrolled at Sunshine Elementary School ride the bus to school? (1) 10 percent of the students enrolled at Sunshine Elementary School walk to school. (2) The number of students enrolled at Sunshine Elementary School who ride the bus to school is three times the number of students who do not ride the bus.

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked.Both statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient to answer the question asked.Each statement ALONE is sufficient to answer the question asked.

22. Given an arithmetic sequence of N terms in which the common difference between terms is 2, what is the value of N? (1) The first term is 18. (2) The last term is 70.

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.Each statement ALONE is sufficient to answer the question asked.Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked.Both statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient to answer the question asked.

23. A box contains only black, green, and red chips, all identical except for color. How many red chips are in the box? (1) The box contains 48 chips, 16 of which are black. (2) The probability is 12--> that a chip randomly drawn from the box is green.

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked.Each statement ALONE is sufficient to answer the question asked.Both statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient to answer the question asked.Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.

24. A garden contains 32 tomato plants. How many pepper plants does the garden contain? (1) The ratio of the number of tomato plants to the number of pepper plants is 8 to 3. (2) If the number of tomato plants is increased by 4, and the number of pepper plants stays the same, the ratio of the number of tomato plants to the number of pepper plants is 3 to 1.

Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked.Each statement ALONE is sufficient to answer the question asked.Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.Both statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient to answer the question asked.Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.

25. Do at least 20 percent of the organization members who are over 40 have college degrees? (1) Among the member of the organization who are over 40, 24 percent of the female members and 16 percent of the male members have college degrees. (2) Female members constitute 55 percent of the organization’s membership.

Both statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient to answer the question asked.Each statement ALONE is sufficient to answer the question asked.Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked.Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.