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Source: — Data Sufficiency |
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by Tryingmybest » Thu Nov 20, 2008 8:07 am
To me its A.

Since S and T are different numbers if the numbers are at equal distance from 0 then S and T must be of same magnitude and different sign

S+T = 0
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by logitech » Thu Nov 20, 2008 8:37 am
Tryingmybest wrote:To me its A.

Since S and T are different numbers if the numbers are at equal distance from 0 then S and T must be of same magnitude and different sign

S+T = 0
This is key to this question.
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