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Is a sum of three integers A, B, and C even?

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Math Expert
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V
Joined: 02 Sep 2009
Posts: 52294
Is a sum of three integers A, B, and C even?  [#permalink]

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New post 10 Dec 2018, 02:48
00:00
A
B
C
D
E

Difficulty:

  55% (hard)

Question Stats:

49% (00:50) correct 51% (00:47) wrong based on 45 sessions

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Location: India
Concentration: International Business, General Management
GPA: 3.64
WE: Business Development (Energy and Utilities)
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Is a sum of three integers A, B, and C even?  [#permalink]

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New post 10 Dec 2018, 02:58
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Joined: 21 Oct 2018
Posts: 17
Re: Is a sum of three integers A, B, and C even?  [#permalink]

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New post 17 Dec 2018, 10:31
kind of tricky question , if you look carefully , you can answer in less than a minute

1.a+b=a, --> a+b+c=a+c

and we are not sure what are the values of a and c

so, clearly not sufficient

2. b+c=a--> a+b+c =a+a-->2 *a

which is always even.

answer is B
GMAT Club Bot
Re: Is a sum of three integers A, B, and C even? &nbs [#permalink] 17 Dec 2018, 10:31
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Is a sum of three integers A, B, and C even?

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