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Is x^3 > y?

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Source: — Data Sufficiency |
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by papgust » Sat Jan 09, 2010 3:29 am
x and y are positive. But the key here is x and y could be a fraction or an integer.

is x^3 > y?

1. If x is an integer, then x^3 could be greater than y. But if x is a fraction, x^3 will even more reduce its original value which could be less than y. Insufficient.

2. Same reason. Insufficient.

Combined,
Still we cannot be sure because of the same reason.
Insufficient.
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by rahul.s » Sat Jan 09, 2010 3:46 am
Thank you :)
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