The volume of the largest right circular cone that can be cut out of a cube of edge 7 cm is:	Choose the correct choice from the following answers.
A) 79.8cm3 B) 79.4cm3 C) 89.8cm3 D) 89.4cm3 E) None of these
Explanation:   Volume of the largest cone = Volume of the cone with diameter of base 7 and height 7 cm   Volume of cone =1/3πr2h   =1/3∗22/7∗3.5∗3.5∗7   =269.5/3cm3   =89.8cm3   Note: radius is taken as 3.5, as diameter is 7 cm   Option 89.8cm3
<result>C</result>
The volume of the largest right circular cone that can be cut out of a cube of edge 7 cm is: