CBSE Class 10 Maths (Standard) 2016 · Paper 30/2/1 · Question 31
In Fig. is shown a right circular cone of height cm. A small cone is cut off from the top by a plane parallel to the base. If the volume of the small cone is of the volume of given cone, find at what height above the base is the section made.
Answer
The section is made at a height of cm above the base.
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