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Source: — Data Sufficiency |
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by ajith » Thu May 06, 2010 12:45 am
kstv wrote:
aniruddhkashyap wrote:Need help with the following DS questions

Q7:
Is xy > x^2y^2?
(1) 14x^2 = 3
(2) y^2 = 1
1) yields 2 values for x
2) yields 2 values for y

Each are independently not sufficient
Combined also not sufficient since we cannot be sure about the signs of x and y, E
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