CTET 2 Math and Science 23 Dec 2021 Paper

Number of faces of pentagonal prism = 7
Number of edges of pentagonal prism = 15
Number of vertices of pentagonal prism = 10
⇒ Sum = 7 + 15 + 10 = 32
∴ The sum of the number of faces, edges and vertices of this prism is 32.
The correct option is 4 i.e. 32