| List - I | List -II |
| (Solids) | (Their Features) |
| (A) Prism | (I) Base is a circle. |
| (B) Pyramid | (II) Two similar ends and rectangular faces. |
| (C) Cone | (III) Two circular faces and one curved surface. |
| (D) Cylinder | (IV) One base and slant triangular faces. |
What comes next in the series?
\(2, 6, 12, 20, 30, \ ?\)