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If mn ≠ 0, is m > n?

This topic has 1 expert reply and 0 member replies

If mn ≠ 0, is m > n?

Post Thu Sep 14, 2017 1:57 pm
Elapsed Time: 00:00
  • Lap #[LAPCOUNT] ([LAPTIME])
    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?

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    Post 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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    Thanked by: Vincen

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