Home
Class 14
MATHS
Two metallic right circular cones hav...

Two metallic right circular cones having their heights 4.1 cm and 4.3 cm and the radii of their bases 2.1 cm each, have been melted together and recast into a sphere. Find the diameter of the sphere.

Promotional Banner

Topper's Solved these Questions

  • TRUE DISCOUNT

    RS AGGARWAL|Exercise All Questions|26 Videos

Similar Questions

Explore conceptually related problems

A metallic solid right circular cone is of height 84 cm and the radius of its base is 21 cm. It is melted and recast into a solid sphere. Find the diameter of the sphere.

A right circular cone is 8 cm high and radius of its base is 2 cm .The cone is metted and recaset in to a sphere. Determine the diameter of the sphere.

A cone of metal of height 24 cm and radius of base 6 cm is melted and recast into a sphere. Find the radius of the sphere.

A cone is 8.4 cm heigh and the radius of its base is 2.1 cm. It is melted and recast into a sphere. The radius of the sphere is

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

A cone id 8.4 cm height and the radius of its base is 2.1 cm. It is melted and recast into a sphere. The radius of the sphere is .

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

A solid metallic cone of radius 10cm and height (2)/(5)m is melted and recast into a sphere. Find theradius of the sphere.

The height and base radius of a metallic cone are 216 cm and 16 cm respectively.It melted and recast into a sphere .Find the surface area of the spere.

RS AGGARWAL-VOLUME AND SURFACE AREAS-All Questions
  1. How many spherical bullets can be made out of a lead cylinder 28 cm...

    Text Solution

    |

  2. A copper sphere of diameter 18 cm is drawn into a wire of diameter ...

    Text Solution

    |

  3. Two metallic right circular cones having their heights 4.1 cm and 4...

    Text Solution

    |

  4. A cone and a sphere have equal radii and equal volumes. Find the ra...

    Text Solution

    |

  5. Find the volume, curved surface area and the total surface area of ...

    Text Solution

    |

  6. A hemispherical bowl of internal radius 9 cm contains a liquid. This l...

    Text Solution

    |

  7. A cone, a hemisphere and a cylinder stand on equal bases and have t...

    Text Solution

    |

  8. CONE + HEMISPHER : A Cylinderical Container of radius 6cm and height 1...

    Text Solution

    |

  9. A cuboid has ........... edges. (a) 4          (b) 8          (c) 1...

    Text Solution

    |

  10. 1 litre is equal to (a) 1 cu. cm    (b) 10 cu. cm    (c) 100 cu....

    Text Solution

    |

  11. A rectangular water tank is 8 m high, 6 m long and 2.5 m wide. How ...

    Text Solution

    |

  12. The dimensions of a cuboid are 7 cm, 11 cm and 13 cm. The total sur...

    Text Solution

    |

  13. A closed aquarium of dimensions 30 c mxx25 c mxx20 c m is made up ...

    Text Solution

    |

  14. The dimensions of a room are 15 m, 10 m and 8 m. The volume of a ba...

    Text Solution

    |

  15. A rectangular water reservoir contains 42000 litres of water. Find ...

    Text Solution

    |

  16. A cistern 6 m long and 4 m wide contains water up to a depth of 1 m...

    Text Solution

    |

  17. A boat having a length 3 m and breadth 2 m is floating on a lake. T...

    Text Solution

    |

  18. A water tank is 30 m long, 20 m wide and 12 m deep. It is made of i...

    Text Solution

    |

  19. Given that 1 cubic cm of marble weighs 0.25 kg, the weight of marbl...

    Text Solution

    |

  20. Half cubic metre of gold sheet is extended by hammering so as to co...

    Text Solution

    |