From a solid cylinder of height 8 cm and radius 4 cm, a right circular cone is scooped out on the same base and having the same height as that of the cylinder. The c.g. of the remainder is at a height of____.

A)
5.0 cm
B)
5.25 cm
C)
5.5 cm
D)
6.5 cm

Correct Answer :   5.0 cm