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Out of 200 dog owners, is the number of owners who run their dogs

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Intern
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Joined: 07 Jun 2018
Posts: 30
Out of 200 dog owners, is the number of owners who run their dogs  [#permalink]

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New post 29 Nov 2018, 17:15
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A
B
C
D
E

Difficulty:

  65% (hard)

Question Stats:

35% (01:03) correct 65% (01:18) wrong based on 43 sessions

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Out of 200 dog owners, is the number of owners who run their dogs greater than the number of owners who walk their dogs?
1. All of the dog owners who run their dogs also walk their dogs
2. 75 dog owners walk their dogs
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Joined: 21 Aug 2013
Posts: 1412
Location: India
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Re: Out of 200 dog owners, is the number of owners who run their dogs  [#permalink]

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New post 30 Nov 2018, 03:18
(1) if all those who run their dogs also walk their dogs, then number of dog owners who run their dogs will either be equal to those who walk their dogs OR it will be less than those who walk their dogs (latter will be the case where there are some owners who only walk their dogs and not run).

In any case, number of those who run their dogs can never be greater than those who walk their dogs. So this statement is sufficient to answer the question with a NO.

(2) 75 walk their dogs, but nothing given about those who run their dogs.
Not sufficient.

Hence A answer.

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Schools: Wharton Exec '21
GMAT 1: 770 Q49 V47
GPA: 3.95
WE: General Management (Other)
Re: Out of 200 dog owners, is the number of owners who run their dogs  [#permalink]

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New post 30 Nov 2018, 16:03
Jazzmin wrote:
Out of 200 dog owners, is the number of owners who run their dogs greater than the number of owners who walk their dogs?
1. All of the dog owners who run their dogs also walk their dogs
2. 75 dog owners walk their dogs



S1) We know 0 owners run but do not walk their dogs. If 0 dog owners walk but do not run their dogs, then then #run = #walk. If >0 dog owners walk and do not run, then #run < #walk. We can definitively answer No. SUFFCIENT

S2) We know 75 walk and 125 do not walk. We don't know anything about number that run. INSUFFICIENT

Answer A
GMAT Club Bot
Re: Out of 200 dog owners, is the number of owners who run their dogs &nbs [#permalink] 30 Nov 2018, 16:03
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Out of 200 dog owners, is the number of owners who run their dogs

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