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# If a is the sum of x consecutive positive integers. b is the

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Re: If a is the sum of x consecutive positive integers. b is the  [#permalink]

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28 Jul 2019, 11:16
Hi nvdmurty,

Based on the pattern that you're looking at, the goal wasn't to eliminate answer choices (as that information does not completely address Answers B, C or E). The pattern proves how D can never yield an equal result, since 'A" would be ODD and "B" would be EVEN.

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Re: If a is the sum of x consecutive positive integers. b is the  [#permalink]

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17 Sep 2019, 21:32
can be solved really quickly once you think of properties of sum of consecutives.
A. x-->Odd sum, y-->Odd sum can be
B. x--> E/O sum, y--> O sum can be
C. x--> E/O sum, y-->E/O sum can be
D. x--> O sum, y--> E sum cannot be!
E. x--> O sum, y--> E/O sum can be
Re: If a is the sum of x consecutive positive integers. b is the   [#permalink] 17 Sep 2019, 21:32

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# If a is the sum of x consecutive positive integers. b is the

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