The ratio of volume of a cone to that of a cylinder if cylinder radius is reduced by 4 times and its height increased by 8 times of that of the cone, is -

The ratio of volume of a cone to that of a cylinder if cylinder radius

1.	The ratio of volume of a cone to that of a cylinder if cylinder radius is reduced by 4 times and its height increased by 8 times of that of the cone, is -
A.	0.12638888888889
B.	0.085416666666667
C.	0.21319444444444
D.	0.29513888888889
Answer» C. 0.21319444444444