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If mn ≠ 0, is m > n?

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Source: — Data Sufficiency |

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by Jay@ManhattanReview » Thu Sep 14, 2017 11:10 pm
Vincen wrote:If mn ≠ 0, is m > n?

(1) 1/m < 1/n
(2) m^2 > n^2

The OA is E.

The statement (1) is not sufficient? Why not?
The statement (1) is not sufficient because if say m = 2 and n = 1, then the answer is yes; however, if say m = 2 and n = -1, then the answer is No. No unique answer. Insufficient.

Hope this helps!

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