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GMAT Algebra DS practice questions

Algebra DS is a high-yield GMAT topic. Work through these practice questions to build accuracy and speed before test day.

Free Algebra DS practice

5 sample questions

Practice Question 1easyData Sufficiency

In City X, the public transit system recorded the number of bus rides and train rides last month. Was the number of bus rides greater than 30,000?

(1)

The ratio of bus rides to train rides was 3 to 2.

(2)

The total number of rides was 55,000, and bus rides accounted for 58% of the total.

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

EACH statement ALONE is sufficient.

Statements (1) and (2) TOGETHER are NOT sufficient.

Practice Question 2mediumData Sufficiency

A movie's total box office revenue is the sum of its domestic and international revenues. What was the total box office revenue for the movie?

(1)

The ratio of domestic revenue to total revenue was 3:8 .

(2)

The ratio of international revenue to domestic revenue was 5:3 .

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

EACH statement ALONE is sufficient.

Statements (1) and (2) TOGETHER are NOT sufficient.

Practice Question 3mediumData Sufficiency

A freight company is packing a shipment with boxes of Type A and Type B. Does the shipment contain at least as many Type A boxes as Type B boxes?

(1)

The number of Type A boxes is equal to the number of Type B boxes plus 10% of the number of Type A boxes.

(2)

The number of Type A boxes is 10 times the number of Type B boxes.

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

EACH statement ALONE is sufficient.

Statements (1) and (2) TOGETHER are NOT sufficient.

Practice Question 4mediumData Sufficiency

A film's total box office earnings are the sum of its domestic, European, and Asian earnings. What was the total box office earnings for Film X?

(1)

The ratio of domestic to European earnings was 3:2.

(2)

The ratio of European to Asian earnings was 4:5.

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

EACH statement ALONE is sufficient.

Statements (1) and (2) TOGETHER are NOT sufficient.

Practice Question 5hardData Sufficiency

What was the total number of points scored by the Rockets in all of their games last season?

(1)

The Rockets averaged 45 points per game in the 15 games that James played.

(2)

The Rockets averaged 40 points per game in the 20 games that Kevin played.

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

EACH statement ALONE is sufficient.

Statements (1) and (2) TOGETHER are NOT sufficient.

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GMAT Algebra DS practice questions

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