Can a polyhedron have 10 faces, 20 edges and 15 vertices?

CBSE Class 8 CBSE Class 8 Maths
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1

Can a polyhedron have 10 faces, 20 edges and 15 vertices?

2

Since F + V ≠ E +2 (as 10 +15 ≠ 20 + 2)
A polyhedron cannot have 10 faces, 20 edges and 15 vertices.