 # Free GMAT® Data Sufficiency Sample Questions

### Practice the Data Sufficiency Question Type.

Data Sufficiency problems consist of a question and two statements of data. Your task is to determine whether the two statements provide sufficient data with which to answer the question.

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### Data Sufficiency

Question DetailShow Details

#### Directions

In each of the problems, a question is followed by two statements containing certain data. You are to determine whether the data provided by the statements is sufficient to answer the question.

Answer Choices
• A. if statement (1) by itself is sufficient to answer the question, but statement (2) by itself is not;
• B. if statement (2) by itself is sufficient to answer the question, but statement (1) by itself is not;
• C: if statements (1) and (2) taken together are sufficient to answer the question, even though neither statement by itself is sufficient;
• D. if either statement by itself is sufficient to answer the question;
• E. if statements (1) and (2) taken together are not sufficient to answer the question, requiring more data pertaining to the problem
Question 1Show Details

If 2b - a2 = 18, what is the value of b?

(1) a2 = 1,156

(2) a > 0

Question 2Show Details

What is the value of the integer p?

(1) p is a prime number.

(2) 88  ≤  p  ≤  95

Question 3Show Details

If y > 0 , is x less than 0?

(1) xy = 16

(2) x - y = 6

Question 4Show Details

What is the value of x?

(1) x2 - 9 = 16

(2) 3x (x - 5) = 0

Question 5Show Details

If a coffee shop sold 600 cups of coffee, some of which were large cups and the remainder of which were small cups, what was the revenue that the coffee shop earned from the sale of coffee?

(1) The number of large cups sold was 3/5 the total number of small cups sold.

(2) The price of a small cup of coffee was \$1.50.