Home
Class 10
MATHS
If a sphere is made by melting a solid ...

If a sphere is made by melting a solid right circular cylinder of radus 2x cm and height x cm , then the radius of the sphere will be

A

` root 3 (3x) ` cm

B

` root 3 (3x) ` cm

C

x cm

D

2x cm

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PROBLEMS RELATED TO DIFFERENT SOLIDS AND OBJECTS

    CALCUTTA BOOK HOUSE|Exercise Write true or false|2 Videos
  • PROBLEMS RELATED TO DIFFERENT SOLIDS AND OBJECTS

    CALCUTTA BOOK HOUSE|Exercise Fill in the blanks :|2 Videos
  • PROBLEMS RELATED TO DIFFERENT SOLIDS AND OBJECTS

    CALCUTTA BOOK HOUSE|Exercise Long - answer type questions (LA):|20 Videos
  • PARTNERSHIP BUSINESS

    CALCUTTA BOOK HOUSE|Exercise LONG ANSWER TYPE QUESTIONS|17 Videos
  • PYTHAGORAS THEOREM

    CALCUTTA BOOK HOUSE|Exercise EXAMPLE 6|4 Videos

Similar Questions

Explore conceptually related problems

Write True or False A sphere is made by melting a right circular cylinder of radius 3 cm in length. If the radius of them is equal then the volume of them are equal.

A right circular cylinder has base radius 14 cm and height 21 cm. Find its volume.

25 small metal cones of radius 6 cm each are made by melting a large right circular cone of radius 15 cm and of height 20 cm . Find the height of the small cones.

A right circular cone is made by melting a piece of metal right cylinder of radius 8 cm and height 2 cm . If the height of the cone is 3 times the height of the cylinder , then what will be the curved surface area of the cone ?

A right circular cylinder of radius r and height h (h > 2r) just encloses a sphere of diameter___

If a solid sphere of radius r unit be melted to make a solid right circular cone of height r - unit , then find the radius of the base of the cone .

A right circular cylinder has base radius 14 cm and height 21 cm. Find its total surface area.

A right circular cylinder has base radius 14 cm and height 21 cm. Find its curved surface area.

How many coins of diameter 1.5 cm and of thickness 0.2 cm can be made by melting a metal right circular cylinder of diameter 4.5 cm and height 10 cm ?