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# If xy ≠ 0 and y is even, then which of the following must also be even

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Math Expert
Joined: 02 Sep 2009
Posts: 53716
If xy ≠ 0 and y is even, then which of the following must also be even  [#permalink]

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19 Feb 2019, 00:54
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Question Stats:

86% (01:20) correct 14% (01:18) wrong based on 6 sessions

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If xy ≠ 0 and y is even, then which of the following must also be even?

A . 2x/y

B. y/2 + x

C. 3y - 2x

D. y/x + x/y

E. 2y - 3x

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VP
Joined: 31 Oct 2013
Posts: 1269
Concentration: Accounting, Finance
GPA: 3.68
WE: Analyst (Accounting)
Re: If xy ≠ 0 and y is even, then which of the following must also be even  [#permalink]

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19 Feb 2019, 01:57
Bunuel wrote:
If xy ≠ 0 and y is even, then which of the following must also be even?

A . 2x/y

B. y/2 + x

C. 3y - 2x

D. y/x + x/y

E. 2y - 3x

Option C:

As y is even, 3y must be even. 2x is also even.

even - even = even.

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Joined: 18 Aug 2017
Posts: 2374
Location: India
Concentration: Sustainability, Marketing
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Re: If xy ≠ 0 and y is even, then which of the following must also be even  [#permalink]

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19 Feb 2019, 04:40
Bunuel wrote:
If xy ≠ 0 and y is even, then which of the following must also be even?

A . 2x/y

B. y/2 + x

C. 3y - 2x

D. y/x + x/y

E. 2y - 3x

3y - 2x
will be true always even no will come
IMO C
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VP
Joined: 31 Oct 2013
Posts: 1269
Concentration: Accounting, Finance
GPA: 3.68
WE: Analyst (Accounting)
Re: If xy ≠ 0 and y is even, then which of the following must also be even  [#permalink]

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19 Feb 2019, 04:45
Bunuel , would u plz review this question.

no information about x except x is not equal to 0.

x could be fraction or integer.
Re: If xy ≠ 0 and y is even, then which of the following must also be even   [#permalink] 19 Feb 2019, 04:45
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