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.
Verbal Reasoning
Series Completion
Difficulty: Easy
Choose an option
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A256
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B512
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C729
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D1000
Answer
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)