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The positive integers x, y, and z are such that x is a factor of y and

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Re: The positive integers x, y, and z are such that x is a factor of y and  [#permalink]

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New post 15 Mar 2018, 11:54
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dave13 wrote:
If x, y, and z are 3, 9 and 27 repectivey then how can A be sufficient ? :?


Hey dave13 ,

Statement 1 says xz is even. That means atleast one of them has to be even. But unfortunately, in the examples you took, both x and z are odd. Hence, invalid values.

Does that make sense?
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Re: The positive integers x, y, and z are such that x is a factor of y and  [#permalink]

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New post 15 Mar 2018, 12:02
abhimahna wrote:
dave13 wrote:
If x, y, and z are 3, 9 and 27 repectivey then how can A be sufficient ? :?


Hey dave13 ,

Statement 1 says xz is even. That means atleast one of them has to be even. But unfortunately, in the examples you took, both x and z are odd. Hence, invalid values.

Does that make sense?



YaY! Thank you! yes it does awesome sense of crystal logic :) and why i make things complicated :) it seems I dont follow DS rules...
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Re: The positive integers x, y, and z are such that x is a factor of y and  [#permalink]

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New post 15 Jul 2019, 04:56
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Re: The positive integers x, y, and z are such that x is a factor of y and   [#permalink] 15 Jul 2019, 04:56

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