Exam GMAT Section 2 Quantitative topic 2 question 129 discussion

Actual exam question from Test Prep's GMAT Section 2 Quantitative

Question #: 129
Topic #: 2

[All GMAT Section 2 Quantitative Questions]

Ron has three kinds of shirts in his closet, white shirts, black shirts and fancy shirts.
What is the ratio between the shirts in the closet?
(1) The total number of shirts is 100.
(2) 30% of the shirts are black, which is twice as much as the fancy shirts.

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

Show Suggested Answer

Suggested Answer: Explanation 🗳️
From statement (1) we know the total amount of shirts in the closet.
Statement (2) gives us the ratio between the shirts.
30% of the shirts are black (which is 30 shirts), this number is twice as much as the fancy shirts (15).
The remaining shirts must be white. We know the ratio; therefore, both statements are required in order to answer the question correctly.

by [deleted] at March 9, 2025, 5:13 p.m.

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