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Is rs=rx-2? 1. r is odd 2. x=s+2

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Manager
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Joined: 17 Nov 2009
Posts: 239
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Kudos [?]: 10 [0], given: 17

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Is rs=rx-2? 1. r is odd 2. x=s+2 [#permalink] New post 17 May 2010, 12:44
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 100% (00:47) wrong based on 1 sessions
Is rs=rx-2?

1. r is odd
2. x=s+2

Answer B.
Senior Manager
Senior Manager
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Joined: 25 Jun 2009
Posts: 313
Followers: 2

Kudos [?]: 73 [0], given: 6

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Re: DS - Please explain [#permalink] New post 17 May 2010, 12:50
agnok wrote:
Is rs=rx-2?

1. r is odd
2. x=s+2

Answer B.


Is there some thing missing in this question ?

Anyway, Question is asking whether 2= rx-rs ?

1. Clearly insufficient

2. putting the value of x = > 2= rs + 2r -rs = > 2= 2r

which means the st 2 will be sufficient if we know that r =1 but else its not and hence answer should be E and not B
Manager
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Joined: 17 Nov 2009
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Re: DS - Please explain [#permalink] New post 24 Jun 2010, 07:22
Thanks nitishmahajan! I see it
Re: DS - Please explain   [#permalink] 24 Jun 2010, 07:22
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Is rs=rx-2? 1. r is odd 2. x=s+2

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