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rajatvmittal Really wants to Beat The GMAT! Default Avatar
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sum! Post Tue Mar 13, 2012 7:47 am
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  • Lap #[LAPCOUNT] ([LAPTIME])
    The sum of positive integers x and y is 77. what is the value of xy?
    a) x=y+1
    b) x and y have the same tens digit.

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    killer1387 GMAT Destroyer! Default Avatar
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    Post Tue Mar 13, 2012 7:58 am
    rajatvmittal wrote:
    The sum of positive integers x and y is 77. what is the value of xy?
    a) x=y+1
    b) x and y have the same tens digit.
    a) 38,39
    b) tens digit can only be 3 and to satisfy the condition

    x+y=77

    hence it has to be 38 and 39

    IMO D

    rajatvmittal Really wants to Beat The GMAT! Default Avatar
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    Post Tue Mar 13, 2012 8:08 am
    Oh yes!...silly... what was i thinking then...!!!

    Never mind. thanks

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