GMAT - Quantitative Reasoning Sample Questions

10a. Examine the following statements and determine whether one statement, both statements, or neither statement is required in order to answer the question:

1. The destination is 90 miles away, the car gets an average of 30 miles to the gallon, and the car has 6 gallons of gas.
2. The car uses about 3 gallons of gas to go 90 miles, which is the distance to the destination, and the car currently has more than 5 gallons of gas.

10b. It is possible to determine whether or not the car will be able to reach its destination with the gas that it has by using either the first or second statement. However, it is not necessary to use both statements. The first statement provides the information that the car is going 90 miles, the car gets 30 miles per gallon, and the car has 6 gallons of gas. This means that it should take 3 gallons to go 90 miles so the car should have plenty of gas to get to its destination. The second statement does not actually provide any additional information, but rather just restates what the first statement provides in a different format by saying that the car needs 3 gallons of gas to go 90 miles, which is how far the car needs to go, and the car currently has more than 5 gallons of gas. As a result, this statement also indicates that the car should have plenty of gas to get to its destination.

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