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

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Manager
Joined: 17 Nov 2009
Posts: 239
Followers: 1

Kudos [?]: 47 [0], given: 17

Is rs=rx-2? 1. r is odd 2. x=s+2 [#permalink]

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17 May 2010, 13:44
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Question Stats:

50% (01:46) correct 50% (00:47) wrong based on 3 sessions

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Is rs=rx-2?

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

Senior Manager
Joined: 25 Jun 2009
Posts: 303
Followers: 2

Kudos [?]: 127 [0], given: 6

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17 May 2010, 13:50
agnok wrote:
Is rs=rx-2?

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

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
Joined: 17 Nov 2009
Posts: 239
Followers: 1

Kudos [?]: 47 [0], given: 17

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24 Jun 2010, 08:22
Thanks nitishmahajan! I see it
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