Identify the odd number: 1, 8, 27, 64, 121, 216

Question

Accepted Answer

1. Look at the list: 1, 8, 27, 64, 121, 216.
2. Most are cubes: $1=1^3$, $8=2^3$, $27=3^3$, $64=4^3$, $216=6^3$.
3. But $121=11^2$ and is not a cube.
4. Therefore 121 is the odd one out.

FINAL_ANSWER: b

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Answer

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