Using Euler’s formula find the unknown: Faces, ?, 5, 20 Vertices, 6, ?, 12 Edges, 12, 9, ?

Using Euler’s formula find the unknown. Faces ?, 5, 20 , vectices 6, ?, 12 and Edges 12, 9, ?

Using Euler's formula, find the values of x, y and z

Use Euler's formula to find the values of a, b and c.

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

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

For the following grouped frequency distribution find the mode: Class: 3-6 , 6-9 , 9-12 , 12-15 ,15-18 , 18-21 , 21-24 Frequency: 2 , 5 , 10 , 23 , 21, 12 , 3

Find the mode of each of the following data : 9, 7, 8, 16, 12, 9, 8, 5, 9, 11

Using determinant, find k if area of triangle is 35 sq. units with vertices (2, -6), (5, 4) and (k, 4). a) 12 b) 2 c) -12,-2 d) 12,-2

Find the mean of 5,15,20 , 8 and 12

. Find the median of the given data: 8, 9, 12, 7, 5, 4, 18, 20, 6,3