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Cubes sequence identification: pick the number that does NOT belong to the list of perfect cubes. Series displayed: 1, 8, 27, 64, 125, … Recognize these as n³ and find the outlier among the options. Choose the number that is not a perfect cube.

Q: Cubes sequence identification: pick the number that does NOT belong to the list of perfect cubes. Series displayed: 1, 8, 27, 64, 125, … Recognize these as n³ and find the outlier among the options. Choose the number that is not a perfect cube.

Concept 1, 8, 27, 64, 125, … are 1³, 2³, 3³, 4³, 5³, … Check options 512 = 8³ (cube) 729 = 9³ (cube) 1000 = 10³ (cube) 256 = 2⁸ (not a cube)

Difficulty: Easy

256
512
729
1000

Correct Answer: 256

Explanation:

Concept
1, 8, 27, 64, 125, … are 1³, 2³, 3³, 4³, 5³, …

Check options

512 = 8³ (cube)
729 = 9³ (cube)
1000 = 10³ (cube)
256 = 2⁸ (not a cube)

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