Which is the odd one out?
- A.Cube
- B.Sphere
- C.Cone
- D.Square ✓
Explanation: Cube, Sphere, and Cone are 3D solids; a Square is a flat (2D) shape.
Class 6 IMO Mathematics Olympiad practice · Patterns & Sequences · Odd-One-Out & Classification
← All Odd-One-Out & Classification questions