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What is the value of (a-b)/(b+c)

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Source: — Data Sufficiency |
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by zenithexe » Sun Aug 02, 2009 6:35 pm
IMO D

1) a+b=b-c
tells us that;

a=-c

replace a in the question

((-c)-b)/(b+c)= -(b+c)/(b+c)=-1

2)a/c=-1
tells us
a=-c

do same thing as 1)

hence D,

or is it one of those trap questions?

what is OA?
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by madhur_ahuja » Sun Aug 02, 2009 6:37 pm
No, its not a trap question. OA is D

But I have a follow up question, Suppose statement 1 and Statement 2 can alone give the ratio but give different answers , lets say 1 and -1.

Then also, would the answer be D ? ... Is that possible on GMAT ?
Last edited by madhur_ahuja on Sun Aug 02, 2009 9:01 pm, edited 1 time in total.
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by navalpike » Sun Aug 02, 2009 7:46 pm
No, the two statements will never contradict each other.
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by pralhadesh » Wed Aug 12, 2009 1:20 am
Hi,

generallt the two statements in GMAT does not contraidict with one another. However, there is no rule that the answers should be the same.
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by vikram_k51 » Wed Aug 12, 2009 12:07 pm
What is the value of (a-b)/(b+c)

1. a+b=b-c

2. a/c = -1

D.Each gives -1 as the answer.
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