If a cone is cut into two parts by a horizontal plane passing through the mid points of its axis, the ratio of the volumes of the upper part and the cone is :
A. 1:2
B. 1:4
C. 1:6
D. 1:8
Answer:D
If a cone is cut into two parts by a horizontal plane passing through the mid points of its axis, the ratio of the volumes of the upper part and the cone is :
A. 1:2 B. 1:4 C. 1:6 D. 1:8