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Divisible by 6?

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GmatKiss GMAT Titan Default Avatar
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Divisible by 6? Post Tue May 22, 2012 11:30 am
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  • Lap #[LAPCOUNT] ([LAPTIME])
    IMO: E
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    agarwalva Really wants to Beat The GMAT! Default Avatar
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    Post Wed May 23, 2012 1:31 pm
    Please can you post your explanation.. or reply if I am inline with what you think


    X+Y = 6k ?

    I. X+4y = even
    hence X is even
    also Y = (even - X)/4
    Y = even/4
    Y = 1, 2 , 3 ,4 .... any integer
    Insufficient

    II. YX is divisible by 3
    YX = 12 , 15 , 18 .....
    Insufficient

    I and II
    YX = 12 , 18 , 24 , 36 , 54 (where X is even , positive integer)
    Insufficient

    hence IMO E

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