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# Is a > b − c? (1) c > b − a (2) b < c + a

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Math Expert
Joined: 02 Sep 2009
Posts: 56268
Is a > b − c? (1) c > b − a (2) b < c + a  [#permalink]

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27 Feb 2018, 21:15
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Difficulty:

15% (low)

Question Stats:

86% (00:58) correct 14% (01:43) wrong based on 58 sessions

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Is a > b − c?

(1) c > b − a
(2) b < c + a

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Is a > b − c? (1) c > b − a (2) b < c + a  [#permalink]

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Updated on: 28 Feb 2018, 05:26
Bunuel wrote:
Is a > b − c?

(1) c > b − a
(2) b < c + a

Statement 1:
c>b-a
a>b-c --Sufficient

Statement 2:
b<c+a
a>b-c --Sufficient

IMO answer should be "D"
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Originally posted by gmatexam439 on 27 Feb 2018, 21:57.
Last edited by gmatexam439 on 28 Feb 2018, 05:26, edited 1 time in total.
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Re: Is a > b − c? (1) c > b − a (2) b < c + a  [#permalink]

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27 Feb 2018, 22:26
gmatexam439 wrote:
Bunuel wrote:
Is a > b − c?

(1) c > b − a
(2) b < c + a

Statement 1:
c>b-a
a>b-c --Sufficient

Statement 2:
b<c-a
a<c-b
-a>b-c --Since we don't know the sign of "a" we can't say anything. Insufficient

IMO answer should be "A"

Hi

I think the second statement says: b < c + a
So it becomes same as first statement
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Re: Is a > b − c? (1) c > b − a (2) b < c + a  [#permalink]

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27 Feb 2018, 23:51
Is a > b − c?

1. c > b - a
This can be rewritten as a > b - c (Sufficient)

2. b < c + a
This can be re-written as -a < c - b
Multiplying by -1, we get a > b - c (Sufficient - Option D)
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Re: Is a > b − c? (1) c > b − a (2) b < c + a  [#permalink]

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28 Feb 2018, 05:25
amanvermagmat wrote:
gmatexam439 wrote:
Bunuel wrote:
Is a > b − c?

(1) c > b − a
(2) b < c + a

Statement 1:
c>b-a
a>b-c --Sufficient

Statement 2:
b<c-a
a<c-b
-a>b-c --Since we don't know the sign of "a" we can't say anything. Insufficient

IMO answer should be "A"

Hi

I think the second statement says: b < c + a
So it becomes same as first statement

Yae. Thank you for pointing that out. I will update my post.
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Re: Is a > b − c? (1) c > b − a (2) b < c + a  [#permalink]

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01 Mar 2018, 11:21
in my opinion it's D
Re: Is a > b − c? (1) c > b − a (2) b < c + a   [#permalink] 01 Mar 2018, 11:21
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# Is a > b − c? (1) c > b − a (2) b < c + a

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