Home
Class 14
MATHS
If a sphere of diameter 8 cm is melted a...

If a sphere of diameter `8` cm is melted and cast into a wire of diameter `3` mm then find the length of wire in meter.

Promotional Banner

Topper's Solved these Questions

  • TRUE DISCOUNT

    RS AGGARWAL|Exercise All Questions|26 Videos

Similar Questions

Explore conceptually related problems

If a sphere of diameter 8cm is melted and cast into a wire of diameter 3mm then find the length of wire in meter.

A copper sphere of diameter 36 cm is drawn into a wire of diameter 4 mm. Find the length of the wire.

A copper sphere of diameter 18cm is drawn into a wire of diameter 4mm. Find the length of the wire.

If a metalic cube of edge 1 cm is drawn into a wire of diameter 3.5 mm, then find the length of the wire.

The radius of a metallic sphere is 60 mm .It is melted and recast in to wire of diameter 0.8 mm .Find the length of the wire.

A solid metallic sphere of diameter 8 cm is melted and drawn into a cylindrical wire of uniform width. If the length of the wire is 12 m, find its width.

(i) The radius of a metallic sphere is 3 cm .It melted and recast in to wire of diameter 0.4 cm Find the length of wire. (ii) An iron ball oif radius 4 cm is melted .How many small spheres of radus 2 cm can be formed from the material?

The diameter of a sphere is 42 cm. It is melted and drawn into a cylindrical wire of diameter 2.8 cm. Find the length of the wire.

The diameter of a sphere is 6 cm. It is melted and drawn into a wire of diameter 2 mm. The length of the wire is

The diameter of a sphere is 6cm. It is melted and drawn into a wire of diameter 0.2 cm. Find the length of the wire.

RS AGGARWAL-VOLUME AND SURFACE AREAS-All Questions
  1. A cylindrical rod or iron whose height is eight times its radius is...

    Text Solution

    |

  2. A copper wire of length 36 m and diameter 2 mm is melted to form a ...

    Text Solution

    |

  3. If a sphere of diameter 8 cm is melted and cast into a wire of diamete...

    Text Solution

    |

  4. A cylindrical vessel of radius 4 cm contains water. A solid sphere ...

    Text Solution

    |

  5. The ratio of the surface area of a sphere and the curved surface ar...

    Text Solution

    |

  6. 12 spheres of the same size are made from melting a solid cylinder ...

    Text Solution

    |

  7. A spherical iron ball is dropped into a cylindrical vessel of base ...

    Text Solution

    |

  8. If a hollow sphere of internal and external diameters 4 cm and 8 cm...

    Text Solution

    |

  9. Each of the measures of the radius of the base of a cone and that o...

    Text Solution

    |

  10. A metallic sphere of radius 5 cm is melted to make a cone with base...

    Text Solution

    |

  11. Some solid metallic right circular cones, each with radius of the b...

    Text Solution

    |

  12. A metallic sphere of radius 10.5 cm is melted and recast into small...

    Text Solution

    |

  13. A cone of height 15 cm and base diameter 30 cm is carved out of a w...

    Text Solution

    |

  14. A metallic cone of radius 12 cm and height 24 cm is melted and made...

    Text Solution

    |

  15. In what ratio are the volumes of a cylinder, a cone and a sphere, i...

    Text Solution

    |

  16. If the diameter of a sphere is 6 m, its hemisphere will have a volu...

    Text Solution

    |

  17. The total surface area of a solid hemisphere of diameter 14 cm, is ...

    Text Solution

    |

  18. Volume of a hemisphere is 19404 cu. cm. Its radius is (a) 10.5 c...

    Text Solution

    |

  19. A hemispherical bowl is 176 cm round the brim. Supposing it to be h...

    Text Solution

    |

  20. The capacities of two hemispherical vessels are 6.4 litres and 21.6...

    Text Solution

    |