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Source: — Data Sufficiency |
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by parallel_chase » Fri Sep 05, 2008 5:10 pm
s and t on a number line s+t=0

This can be rephrased as, Is lsl = ltl ?

Statement I

ls-0l = lt-0l

lsl = ltl

Hence Sufficient.

Statement II

0 is between s and t

s could be anything, t could be anything

Insufficient.

Hence A is the answer.

Whats the OA?
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by sanjaylakhani » Sat Sep 06, 2008 3:56 am
OA will be C

As, S also can be equal to T,means they can be same number, so we need B also to conclude the answer
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by parallel_chase » Sat Sep 06, 2008 4:46 am
sanjaylakhani wrote:OA will be C

As, S also can be equal to T,means they can be same number, so we need B also to conclude the answer
The question stem explicitly states that s and t are two different numbers on the number line.

Hope its clear.
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by 4meonly » Sat Sep 06, 2008 6:24 am
Yes, A

(2) does not mean that distance from s to 0 is equal to the dist from t to 0
0 is only somewhere between s and t
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by ddm » Sun Sep 07, 2008 3:15 pm
OA-A
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Answer

by gmat_nov_2008 » Sun Sep 07, 2008 6:56 pm
A bit late...but I think A.
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by tanvi512 » Mon Sep 08, 2008 3:39 am
IMO A
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by mehravikas » Mon Sep 08, 2008 11:35 pm
Asnwer should be A.

s and t are two different numbers, and 0 is somewhere between them.

therefore, statement 2 is not sufficient.
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