Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Geometry

Question:

If a polyhedron has 6 vertices and 12 edges. What is the number of faces it has?

Options:

6

8

12

18

Correct Answer:

8

Explanation:

By Euler’s formula we know that:
For any polyhedron
Face + Vertex – Edge = 2
Face = 2 - Vertex + Edge
Face = 2 – 6+12 = 8