Solutions
Get detailed explanations to advanced GMAT questions.
Question
Does 2m – 3n = 0
I. m ≠ 0
II. 6m = 9n
Option A:
Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.
Option B:
Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.
Option C:
BOTH statements (1) and (2) TOGETHER are sufficient to answer the question asked, but NEITHER statement ALONE is sufficient to answer the question asked.
Option D:
EACH statement ALONE is sufficient to answer the question asked.
Option E:
Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked, and additional data specific to the problem are needed.
Difficulty Level
EasySolution
Option B is the correct answer.
Option Analysis
Question is 2m=3n ?
Statement I is insufficient:
m≠0 –> clearly insufficient as no info about n.
Statement II is sufficient:
6m=9n –> reduce by 3: 2m=3n, so this statement directly answers the question (so here it doesn’t matter whether m and n are integers). Sufficient.
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