State 'T' for true and 'F' for false. (i) Pentagonal prism has 5 pentagons (ii) Euler's formula is true for all three dimensional figures. (iii) Ail cubes are prism. (iv) A polyhedron with least number of faces is known as a triangular pyramid.

• A. (i) (ii) (iii) (iv) F T T F
• B. (i) (ii) (iii) (iv) T T T F
• C. (i) (ii) (iii) (iv) F T F T
• D. (i) (ii) (iii) (iv) F F T T