Home
Class 10
MATHS
A solid sphere of radius r is melted ...

A solid sphere of radius `r` is melted and cast into the shape of a solid cone of height `r` , the radius of the base of the cone is `2r` (b) `3r` (c) `r` (d) `4r`

A

2r

B

r

C

4r

D

3r

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SURFACE AREA AND VOLUME

    CBSE COMPLEMENTARY MATERIAL|Exercise VERY SHORT ANSWER TYPE QUESTIONS|11 Videos

  • SURFACE AREA AND VOLUME

    CBSE COMPLEMENTARY MATERIAL|Exercise SHORT ANSWER TYPE QUESTION (TYPE-I)|5 Videos

  • SURFACE AREA AND VOLUME

    CBSE COMPLEMENTARY MATERIAL|Exercise VERY SHORT ANSWER TYPE QUESTIONS (TRUE OR FALSE)|5 Videos

  • STATISTICS

    CBSE COMPLEMENTARY MATERIAL|Exercise Practice -Test|5 Videos

  • TRIANGLE

    CBSE COMPLEMENTARY MATERIAL|Exercise Short Answer Type Questions-II|25 Videos

Similar Questions

Explore conceptually related problems

A solid sphere of radius r is melted and recast into the shape of a solid cone of height r. Find radius of the base of the cone.

A solid sphere of radius r is melted and recast into the shape of a solid cylinder of heighty ‘r’. Then the radius of base of solid cylinder will be.............

A solid sphere of radius ' r ' is melted and recast into a hollow cylinder of uniform thickness. If the external radius of the base of the cylinder is 4 cm, its height 24 cm and thickness 2 cm, find the value of ' r ' .

If a sphere of radius 2r has the same volume as that of a cone with circular base of radius r , then find the height of the cone.

The radius of the base and height of a metallic solid cylinder are r cm and 6 cm respectively. It is melted and recast into a solid cone of the same radius of base. The height of the cone is (a) 9 cm (b) 18 cm (c) 27 cm (d) 54 cm

A sphere of radius r has the same volume as that of a cone with a circular base of radius r. Find the height of the cone.

A metallic hemisphere is melted and recast in the shape of a cone with the ame base radius (R) as that of the hemisphere. If H is the height of the cone, then :

Threee metallic cones of radius 2cm and height 9cm are melted and recast in to a solid sphere. Fuind the radius of the sphere.