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Source: — Data Sufficiency |
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by r2kins » Sat Jul 02, 2011 4:43 am
1. C?

2. E?
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by Deepthi Subbu » Sat Jul 02, 2011 4:51 am
r2kins - you are right .
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by r2kins » Sat Jul 02, 2011 5:01 am
Deepthi Subbu wrote:r2kins - you are right .
Thanks.

Q1- I just plugged in values for x and y (both +ve and -ve) and found that the answer differed depending on the sign, "+" or "-" of the values. However, if we take x as +ve and y -ve, the answer to the inequality is "NO" in both the cases, hence sufficient!

was wondering if there is there a shorter way to solve this though?
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