Which is the odd one out: 8, 27, 64, 100, 125?
- A.64
- B.27
- C.8
- D.100 ✓
Explanation: 8, 27, 64, and 125 are perfect cubes (2³, 3³, 4³, 5³); 100 is not.
Class 6 IMO Mathematics Olympiad practice · Patterns & Sequences · Odd-One-Out & Classification
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