Q. 85.0( 3 Votes )

If the radius of the base of a cone is halved, keeping the height same, what is the ratio of the volume of the reduced cone to that of the original cone?

Answer :

Let r be the radius of the base and h be the height of the original cone. Then,



Let V2 be the volume of the reduces cone. Then,




Hence ratio of reduce cone to original cone = 1:4


Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Surface Area and Volume of Right Circular Cone37 mins
Surface Area and Volume of Right Circular Cylinders42 mins
Surface Area of Right Circular Cylinder52 mins
Surface Area of Right Circular Cylinder49 mins
Surface Area and Volume of Spheres40 mins
Surface Area of Cube and Cuboid49 mins
Quiz | Surface Area & Volumes49 mins
Quiz | Area of Parallelogram and Triangles43 mins
Champ Quiz | Area of Triangle53 mins
Champ Quiz | Area of Parallelogram55 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses