CTET Feb16p2, q59
- Option : D
- Explanation : We know that for any polynedra
F + V - E = 2; where F = number of faces
V = number of verticcs,
E = number of Edges.
∴ x + y - z = 2
⇒ x - z = 2 - y.
*/?>
*/?>
*/?>
*/?>