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Which of the following cannot..........

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Which of the following cannot.......... [#permalink] New post 28 Aug 2016, 04:58
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Question Stats:

28% (01:20) correct 71% (00:49) wrong based on 128 sessions
Which of the following cannot be expressed as the sum of three or more consecutive integers?

A. 0
B. 1
C. 2
D. 3
E. 4
[Reveal] Spoiler: OA
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GRE Instructor
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Re: Which of the following cannot.......... [#permalink] New post 29 Aug 2016, 14:59
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Expert's post
Sonalika42 wrote:
Which of the following cannot be expressed as the sum of three or more consecutive integers?

A. 0
B. 1
C. 2
D. 3
E. 4


This is a CANNOT question. So, if we CAN express an answer choice as the sum of three or more consecutive integers, we'll eliminate it.

-1, 0, 1: Sum = 0, ELIMINATE A
-1, 0, 1, 2: Sum = 2, ELIMINATE C
-2, -1, 0, 1, 2, 3: Sum = 3, ELIMINATE D
-3, -2, -1, 0, 1, 2, 3, 4: Sum = 4, ELIMINATE E

Answer:
[Reveal] Spoiler:
B

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Re: Which of the following cannot..........   [#permalink] 29 Aug 2016, 14:59
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