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Source: — Data Sufficiency |
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by akhpad » Sun Jun 06, 2010 9:19 am
Statement 1:

1 / (x+y) = -1

x+y = -1

Not Sufficient

Statement 2:

xy = 6(x+y)

(x+y) / xy = 1/6
1/x + 1/y = 1/6

Sufficient

Answer: B
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