CBSE Class 10-Mathematics: Chapter – 13 Surface Areas and Volumes Part 27 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Question 9:

A cone of radius divided into two parts by drawing a plane through the mid-point of its axis, parallel to its base. Compare the volume of the two parts.

Compare the Volume of the Two Parts


Let OAB be the cone and be its axis and P be the mid-point of





(i) A smaller cone of radius and height

(ii) Frustum of a cone in which

Volume of smaller cone

Volume of frustum of the cone

Ratio of required volume

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