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If k is an even integer and p and r are odd integers, which of the fol

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Math Expert
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Joined: 02 Sep 2009
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If k is an even integer and p and r are odd integers, which of the fol  [#permalink]

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New post 09 Jan 2019, 02:54
00:00
A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

82% (01:06) correct 18% (01:01) wrong based on 67 sessions

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Joined: 18 Aug 2017
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Location: India
Concentration: Sustainability, Marketing
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WE: Marketing (Energy and Utilities)
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Re: If k is an even integer and p and r are odd integers, which of the fol  [#permalink]

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New post 09 Jan 2019, 04:01
Bunuel wrote:
If k is an even integer and p and r are odd integers, which of the following CANNOT be an integer?


(A) r/k

(B) k/p

(C) p/r

(D) kp/r

(E) kr/p



odd integer divided by even would not give an integer is in option A
IMO A
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If k is an even integer and p and r are odd integers, which of the fol  [#permalink]

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New post 14 Feb 2019, 01:12
Let p and r = 1 (since they'e odd)
The question becomes:

(A) 1/k

(B) k/1

(C) 1/1

(D) k/1

(E) k/1

All choices B C D E will be an integer if p and r = 1.
Therfore, only A is never an integer (we have eliminated all other chocies)
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If k is an even integer and p and r are odd integers, which of the fol   [#permalink] 14 Feb 2019, 01:12
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If k is an even integer and p and r are odd integers, which of the fol

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