Find the odd one out. 729, 1331, 2197, 3125

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Accepted Answer

1. Check perfect cubes: $729=9^3$, $1331=11^3$, $2197=13^3$.
2. $3125$ is not a perfect cube. It equals $5^5$.
3. So $3125$ is different from the rest.
4. FINAL_ANSWER: d

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Answer

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