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.
Is x^3 > y?
This topic has expert replies
Source: Beat The GMAT — Data Sufficiency |

















