This practice GMAT test includes only GMAT data sufficiency questions, which are part of the GMAT problem solving section. Good luck!

GMAT Data Sufficiency Questions

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Question

Is positive integer even

(1) is a multiple of 4.
(2) is a factor of 4^4*2^2 .

Possible Answers

Selected	Possible Answer
	A. Statement (1) ALONE is sufficient, but statement (2) ALONE is not sufficient
	B. Statement (2) ALONE is sufficient, but statement (1) ALONE is not sufficient.
	C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
	D. EACH statement ALONE is sufficient.
	E. Statements (1) and (2) TOGETHER are NOT sufficient..

Question

Prospero is 15 years older than his brother Antonio. How old is Prospero?

(1) Twenty years ago, Prospero’s age was twice that of Antonio.

(2) Ten years later, Antonio’s age will be $\frac {3}{4}$ that of Prospero.

Possible Answers

Selected	Possible Answer
	A. Statement (1) ALONE is sufficient, but statement (2) ALONE is not sufficient.
	B. Statement (2) ALONE is sufficient, but statement (1) ALONE is not sufficient.
	C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
	D. EACH statement ALONE is sufficient.
	E. Statements (1) and (2) TOGETHER are NOT sufficient.

Question

The operator & represents which one of the following operations: addition, subtraction, multiplication or division?

(1) For all x, 3&x = x&3

(2) For all x, 2x&3x = 6×2

Possible Answers

Selected	Possible Answer
	A. Statement (1) ALONE is sufficient, but statement (2) ALONE is not sufficient.
	B. Statement (2) ALONE is sufficient, but statement (1) ALONE is not sufficient.
	C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
	D. EACH statement ALONE is sufficient.
	E. Statements (1) and (2) TOGETHER are NOT sufficient.

Question

What is the average of three consecutive odd positive integers?

(1) The product of the smallest integer and the middle integer is 783.

(2) The sum of the three consecutive odd integers is 87.

Possible Answers

Selected	Possible Answer
	A. Statement (1) ALONE is sufficient, but statement (2) ALONE is not sufficient.
	B. Statement (2) ALONE is sufficient, but statement (1) ALONE is not sufficient.
	C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
	D. EACH statement ALONE is sufficient.
	E. Statements (1) and (2) TOGETHER are NOT sufficient.

Question

What is the value of odd integer ?

(1) 1<s <10 .

(2) $\sqrt{s}$ is also an odd integer.

Possible Answers

Selected	Possible Answer
	A. Statement (1) ALONE is sufficient, but statement (2) ALONE is not sufficient.
	B. Statement (2) ALONE is sufficient, but statement (1) ALONE is not sufficient.
	C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
	D. EACH statement ALONE is sufficient.
	E. Statements (1) and (2) TOGETHER are NOT sufficient.

Question

If the Longfellow Playground is rectangular, what is its width?

(1) The ratio of its length to its width is 7 to 2.

(2) The perimeter of the playground is 396 meters.

Possible Answers

Selected	Possible Answer
	A. Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked.
	B. Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question asked.
	C. Both statements 1 and 2 together are sufficient to answer the question but neither statement is sufficient alone.
	D. Each statement alone is sufficient to answer the question.
	E. Statements 1 and 2 are not sufficient to answer the question asked and additional data is needed to answer the statements

Question

What is the value of x-1 ?

(1) x+1=3

(2) x-1<3

Possible Answers

Selected	Possible Answer
	A. Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked.
	B. Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question asked.
	C. Both statements 1 and 2 together are sufficient to answer the question but neither statement is sufficient alone.
	D. Each statement alone is sufficient to answer the question.
	E. Statements 1 and 2 are not sufficient to answer the question asked and additional data is needed to answer the statements.

Question

Is an integer greater than 4?

(1) is a positive integer.

(2) $\frac {n}{3}$ 3n is a positive integer.

Possible Answers

Selected	Possible Answer
	A. Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked.
	B. Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question asked.
	C. Both statements 1 and 2 together are sufficient to answer the question but neither statement is sufficient alone.
	D. Each statement alone is sufficient to answer the question.
	E. Statements 1 and 2 are not sufficient to answer the question asked and additional data is needed to answer the statements.

Question

Was 70 the average (arithmetic mean) grade on a class test?

(1) On the test, half of the class had grades below 70 and half of the class had grades above 70.

(2) The lowest grade on the test was 45 and the highest grade on the test was 95.

Possible Answers

Selected	Possible Answer
	A. Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked.
	B. Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question asked.
	C. Both statements 1 and 2 together are sufficient to answer the question but neither statement is sufficient alone.
	D. Each statement alone is sufficient to answer the question.
	E. Statements 1 and 2 are not sufficient to answer the question asked and additional data is needed to answer the statements.

Question

By what percent has the price of an overcoat been reduced?

(1) The original price was $380.

(2) The original price was $50 more than the reduced price.

Possible Answers

Selected	Possible Answer
	A. Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked.
	B. Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question asked.
	C. Both statements 1 and 2 together are sufficient to answer the question but neither statement is sufficient alone.
	D. Each statement alone is sufficient to answer the question.
	E. Statements 1 and 2 are not sufficient to answer the question asked and additional data is needed to answer the statements.

Question

Is William taller than Jane?

(1) William is taller than Anna.

(2) Anna is not as tall as Jane.

Possible Answers

Selected	Possible Answer
	A. Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked.
	B. Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question asked.
	C. Both statements 1 and 2 together are sufficient to answer the question but neither statement is sufficient alone.
	D. Each statement alone is sufficient to answer the question.
	E. Statements 1 and 2 are not sufficient to answer the question asked and additional data is needed to answer the statements.

Question

What was Johnâ€™s average driving speed in miles per hour during a 15-minute interval?

(1) He drove 10 miles during this interval.

(2) His maximum speed was 50 miles per hour and his minimum speed was 35 miles per hour during this interval.

Possible Answers

Selected	Possible Answer
	A. Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked.
	B. Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question asked.
	C. Both statements 1 and 2 together are sufficient to answer the question but neither statement is sufficient alone.
	D. Each statement alone is sufficient to answer the question.
	E. Statements 1 and 2 are not sufficient to answer the question asked and additional data is needed to answer the statements.

Question

If today the price of an item is $3,600, what was the price of the item exactly 2 years ago?

(1) The price of the item increased by 10 per-cent per year during this 2-year period.

(2) Today the price of the item is 1.21 times its price exactly 2 years ago.

Possible Answers

Selected	Possible Answer
	A. Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked.
	B. Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question asked.
	C. Both statements 1 and 2 together are sufficient to answer the question but neither statement is sufficient alone.
	D. Each statement alone is sufficient to answer the question.
	E. Statements 1 and 2 are not sufficient to answer the question asked and additional data is needed to answer the statements.

Question

Is x^2 = xy

1. x^2 - y^2 = (x+5)(y-5)

2. x=y

Possible Answers

Selected	Possible Answer
	A. Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked.
	B. Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question asked.
	C. Both statements 1 and 2 together are sufficient to answer the question but neither statement is sufficient alone.
	D. Each statement alone is sufficient to answer the question.
	E. Statements 1 and 2 are not sufficient to answer the question asked and additional data is needed to answer the statements.

Question

Is $\triangle ABC$ isosceles?

(1). Exactly two of the angles, $\angle A \, \angle B,$ have the same measure

(2). $\angle B$ and $\angle C$ do not have the same measure

Possible Answers

Selected	Possible Answer
	A. Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked.
	B. Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question asked.
	C. Both statements 1 and 2 together are sufficient to answer the question but neither statement is sufficient alone.
	D. Each statement alone is sufficient to answer the question.
	E. Statements 1 and 2 are not sufficient to answer the question asked and additional data is needed to answer the statements.

Question

If x+2y+1=y-x , what is the value of ?

(1). y^2=9

(2). y=3

Possible Answers

Selected	Possible Answer
	A. Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked.
	B. Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question asked.
	C. Both statements 1 and 2 together are sufficient to answer the question but neither statement is sufficient alone.
	D. Each statement alone is sufficient to answer the question.
	E. Statements 1 and 2 are not sufficient to answer the question asked and additional data is needed to answer the statements.

Question

How many miles long is the route from Houghton to Callahan?

(1) It will take 1 hour less time to trave the entire route at an average rate of 55 miles per hour than at an average rate of 50 miles per hour.

(2) It will take 11 hours to travel the first half of the route at an average rate of 25 miles per hour.

Possible Answers

Selected	Possible Answer
	A. Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked.
	B. Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question asked.
	C. Both statements 1 and 2 together are sufficient to answer the question but neither statement is sufficient alone.
	D. Each statement alone is sufficient to answer the question.
	E. Statements 1 and 2 are not sufficient to answer the question asked and additional data is needed to answer the statements.

Question

A certain company currently has how many employees?

(1) If 3 additional employees are hired by the company and all of the present employees remain, there will be at least 20 employees in the company.

(2) If no additional employees are hired by the company and 3 of the present employees resign, there will be fewer than 15 employees in the company

Possible Answers

Selected	Possible Answer
	A. Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked.
	B. Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question asked.
	C. Both statements 1 and 2 together are sufficient to answer the question but neither statement is sufficient alone.
	D. Each statement alone is sufficient to answer the question
	E. Statements 1 and 2 are not sufficient to answer the question asked and additional data is needed to answer the statements.

Question

Paula and Sandy were among those people who sold raffle tickets to raise money for Club X. If Paula and Sandy sold a total of 100 of the tickets, how many of the tickets did Paula sell?

(1) Sandy sold 2/3 as many of the raffle tickets as Paula did.

(2) Sandy sold 8 percent of all the raffle tickets sold for Club X.

Possible Answers

Selected	Possible Answer
	A. Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked.
	B. Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question asked.
	C. Both statements 1 and 2 together are sufficient to answer the question but neither statement is sufficient alone.
	D. Each statement alone is sufficient to answer the question
	E. Statements 1 and 2 are not sufficient to answer the question asked and additional data is needed to answer the statements.

Question

Is the integer odd?

(1) is divisible by 3.

(2) is divisible by 5.

Possible Answers

Selected	Possible Answer
	A. Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked.
	B. Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question asked.
	C. Both statements 1 and 2 together are sufficient to answer the question but neither statement is sufficient alone..
	D. Each statement alone is sufficient to answer the question.
	E. Statements 1 and 2 are not sufficient to answer the question asked and additional data is needed to answer the statements.

Question

3.2xy6

If and each represent single digits in the decimal above, what digit does represent ?

(1) When the decimal is rounded to the nearest tenth, 3.2 is the result.

(2) When the decimal is rounded to the nearest hundredth, 3.24 is the result.

Possible Answers

Selected	Possible Answer
	A. Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked.
	B. Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question asked.
	C. Both statements 1 and 2 together are sufficient to answer the question but neither statement is sufficient alone.
	D. Each statement alone is sufficient to answer the question.
	E. Statements 1 and 2 are not sufficient to answer the question asked and additional data is needed to answer the statements

Question

If a,b , and are integers, is a-b+c greater than a+b-c ?

(1) is negative.

(2) is positive.

Possible Answers

Selected	Possible Answer
	A. Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked.
	B. Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question asked.
	C. Both statements 1 and 2 together are sufficient to answer the question but neither statement is sufficient alone.
	D. Each statement alone is sufficient to answer the question.
	E. Statements 1 and 2 are not sufficient to answer the question asked and additional data is needed to answer the statements.

Question

If is an integer, then is divisible by how many positive integers?

(1) is the product of two different prime numbers.

(2) and 2^3 are each divisible by the same number of positive integers.

Possible Answers

Selected	Possible Answer
	A. Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked.
	B. Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question asked.
	C. Both statements 1 and 2 together are sufficient to answer the question but neither statement is sufficient alone.
	D. Each statement alone is sufficient to answer the question.
	E. Statements 1 and 2 are not sufficient to answer the question asked and additional data is needed to answer the statements.

Question

If is equal to one of the numbers 1/4 , 3/8 or 2/5 what is the value of ?

(1) $\frac {1}{4}< x<\frac {1}{2}$

(2) $\frac {1}{3}<x< \frac {3}{5}$

Possible Answers

Selected	Possible Answer
	A. Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked.
	B. Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question asked.
	C. Both statements 1 and 2 together are sufficient to answer the question but neither statement is sufficient alone.
	D. Each statement alone is sufficient to answer the question.
	E. Statements 1 and 2 are not sufficient to answer the question asked and additional data is needed to answer the statements.

Question

If and are consecutive positive integers, is greater than ?

(1) m-1 and n+1 are consecutive positive integers.

(2) is an even integer.

Possible Answers

Selected	Possible Answer
	A. Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked.
	B. Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question asked.
	C. Both statements 1 and 2 together are sufficient to answer the question but neither statement is sufficient alone.
	D. Each statement alone is sufficient to answer the question.
	E. Statements 1 and 2 are not sufficient to answer the question asked and additional data is needed to answer the statements.

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