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Is it true that a > b? (1) 2a > 2b (2) a + c > b + c

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Is it true that a > b? (1) 2a > 2b (2) a + c > b + c  [#permalink]

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New post Updated on: 29 Mar 2012, 06:17
2
00:00
A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

86% (00:30) correct 14% (00:49) wrong based on 143 sessions

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Is it true that a > b?

(1) 2a > 2b
(2) a + c > b + c

Originally posted by briozeal on 10 Oct 2005, 19:12.
Last edited by Bunuel on 29 Mar 2012, 06:17, edited 1 time in total.
Edited the question and added the OA
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New post 10 Oct 2005, 19:16
Either is suff to conclude the answer. Hence D
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New post 10 Oct 2005, 19:17
2
More info:

1) divide both sides by 2. We get a > b

2) subtract both sides by c. We get a > b
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New post 10 Oct 2005, 19:35
These are the kind of questions you really want to make sure you haven't missed anything! They seem so simple - but may or may not be! :roll:
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New post 10 Oct 2005, 21:00
i think its D too. in st 1 if we divide by 2 we get a>b, and in st 2 we can subs the C and still get the same thing. both statements by themselves are suff to answer the Q so answer - D.
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New post 10 Oct 2005, 21:36
My answer is D too! But, having arrived at the answer so fast... :o
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New post 11 Oct 2005, 06:01
OA is D. This was a simple one.
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Re: Is it true that a > b? (1) 2a > 2b (2) a + c > b +  [#permalink]

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New post 29 Mar 2012, 06:11
straight answer D
this is simple question but it exam we would confused because of its simplicity
we have to avoid that sort of scenarios
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Re: Is it true that a > b? (1) 2a > 2b (2) a + c > b + c  [#permalink]

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New post 30 Jun 2019, 10:28
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briozeal wrote:
Is it true that a > b?

(1) 2a > 2b
(2) a + c > b + c


Target question: Is a > b?

Statement 1: 2a > 2b
Divide both sides by 2 to get: a > b
The answer to the target question is YES, a IS greater than b
Since we can answer the target question with certainty, statement 1 is SUFFICIENT

Statement 2: a + c > b + c
Subtract b from both to get: a > b
The answer to the target question is YES, a IS greater than b
Since we can answer the target question with certainty, statement 2 is SUFFICIENT

Answer: D

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Re: Is it true that a > b? (1) 2a > 2b (2) a + c > b + c   [#permalink] 30 Jun 2019, 10:28
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