Which of the following statements is wrong ?

Correct option is A

Given
Statements related to properties of 3-D shapes.
Formula / Concept used
· Cuboid: has 6 faces (only opposite faces are identical)
· Square pyramid: 5 faces (1 square base + 4 triangular faces)
· Triangular pyramid (tetrahedron): 6 edges
· Sphere: no vertex and no edge
Solution
Check each option:
(a) All the faces of a cuboid are identical → Wrong, because only opposite faces are identical, not all.
(b) A square pyramid has five faces → True.
(c) A triangular pyramid has six edges → True.
(d) A sphere has no vertex and no edge → True
The correct option is (a)