Get detailed explanations to advanced GMAT questions.

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.

Option B is the correct answer.

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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