GMAT Quantitative Reasoning Practice Test 7

Question : 42 of 100

Marks: +1, -0

Rick and Nick are sitting in their cars waiting in line to be served at the drive-in cafe. How many cars are in the line?
(1) There are 13 cars between Rick and Nick.
(2) There are 31 cars in front of Rick and 24 cars behind Nick.

Statement (1) BY ITSELF is sufficient to answer the question, but statement (2) by itself is not.
Statement (2) BY ITSELF is sufficient to answer the question, but statement (1) by itself is not.
Statements (1) and (2) TAKEN TOGETHER are sufficient to answer the question, even though NEITHER statement BY ITSELF is sufficient.
Either statement BY ITSELF is sufficient to answer the question.
Statements (1) and (2) TAKEN TOGETHER are NOT sufficient to answer the question, requiring more data pertaining to the problem.

Validate

Solution:

Using both statements combined, we cannot determine who is in from who, is Rick further in the line than Nick or the opposite. Because of this we have two options for the number of cars. The first (if Rick is in front):

31+13+24=68

.
The second (If Nick is in front):

18+13+11=42

.
More sufficient data is required.

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