GMAT Data Insights Practice Set 1 (Data Sufficiency)

What is the volume of a specific cube?

1. The area of the top of the cube is 169in².
2. The diagonals of the top measure 13√2in.

John sells lamps for $35. How much did he profit on each lamp?

1. He gains $25 for every four lamps sold.
2. The lamps are not part of a store-wide discount of 15%.

A local farmer is harvesting his corn crop. How many acres did he plant?

1. He is harvesting 80% of what was planted.
2. To harvest a 50-lbs bag of kernels one needs plantation of 4 acres. He harvested 20 such 50-lbs bags.

Given three consecutive positive integers, x, y, z, (x < y < z) what is the value of x?

1. The mean of the integers is equivalent to 9.
2. y less than the sum of x and z is the same as y.

Sarah is participating in a local poker tournament. Did she make the final table?

1. The final table consists of the top 8 players.
2. Sarah finished the tournament in the top 8% of players.

Point A is the center of a city, which is 124 miles from Point B, the center of a different city. Using the most direct route, how long will it take to drive from Point A to Point B?

1. Your average speed is 48 miles per hour.
2. You know a different point, Point C, is 62 miles from Point A and can be reached in one hour and 48 minutes.

In Eric’s class, the average score on the last test was 84%. What was Eric’s score?

1. Of the 25 questions on the test, Eric correctly answered one less than the average student.
2. The ratio of questions Eric answered incorrectly to the ones he answered correctly is 1:4.

A man is making a triangular picture frame using three pieces of wood. Does he need to cut any of the pieces?

1. The combined length of the pieces of wood is 38 inches.
2. One piece is 19 inches in length and the other two are both 9 inches in length.

Package A and Package B are shipped for a total of $18. What was the cost to ship each package individually?

1. You can ship Package A four times and Package B twice for a total of $64.
2. The cost of shipping Package A is 350% the cost of shipping Package B.

Polar Inc. buys fans for $18. At what price do they sell the fans?

1. The profit margin is 30%.
2. They get a 12% discount for buying in bulk.