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Inequality

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krishna239455 Really wants to Beat The GMAT! Default Avatar
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Inequality Post Fri May 18, 2012 6:31 am
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  • Lap #[LAPCOUNT] ([LAPTIME])

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    mathbyvemuri Really wants to Beat The GMAT! Default Avatar
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    Post Fri May 18, 2012 6:44 am
    (A)x<500 => 450 < x < 500 alone not sufficient
    (B)y<400 => 350 < y < 400 alone not sufficient
    A and B taken together:
    800 < x+y < 900 => not sufficient as x+y can take a value from two different cases of 'less than 850' or 'more than 850', due to which the answers differ.
    Answer "E"

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