Home
Class 9
MATHS
A hemispherical bowl made of brass has i...

A hemispherical bowl made of brass has inner diameter 105 cm. Find the cost of tin-plating it on the inside at the rate of Rs 16 per `100 cm^2`.

Promotional Banner

Topper's Solved these Questions

  • SURFACE AREAS AND VOLUMES

    MODERN PUBLICATION|Exercise EXERCISE|228 Videos
  • STATISTICS

    MODERN PUBLICATION|Exercise EXERCISE|239 Videos
  • TRIANGLES

    MODERN PUBLICATION|Exercise EXERCISE|98 Videos

Similar Questions

Explore conceptually related problems

A cylindrical vessel open at the top has a dimeter 20 cm and height 14 cm. Find the cost of tin-plating it on the inside at the rate of 70 paise per 100 cm^2 .

The dome of a building is in the form of a hemisphere. Its radius is 63 dm. Find the cost of tin-plating it on the inside at the rate of Rs. 2 per 100cm^2 .

A hemispherical bowl has inner diameter 11.2 cm. Find the volume of the milk it can hold.

A cylindrical pillar is 50 cm in diameter and 3.5 m high. Find the cost of white washing its curved surface at the rate of Rs 40 per m^2 .

A wooden toy is in the form of a cone surmounted by a hemisphere. The diameter of the base of the cone is 6 cm. and its height is 4 cm. Find the cost of painting the toy at the rate of Rs. 50 per 1000cm^2 .

The inner diameter of a circular well is 3.5 m. It is 10 m deep. Find the cost of plastering this curved surface at the rate of Rs 40 per m^2 .

MODERN PUBLICATION-SURFACE AREAS AND VOLUMES-EXERCISE
  1. A hemispherical bowl made of brass has inner diameter 105 cm. Find the...

    Text Solution

    |

  2. Find the lateral surface and total surface area of a cuboid of length ...

    Text Solution

    |

  3. Find the total lateral surface area of a cube of edge is 10 cm.

    Text Solution

    |

  4. The latera surface area of a cube is 1014 sq.cm, find the main diagon...

    Text Solution

    |

  5. The lateral surface area of a cube is 64 m^2 find its total surface ar...

    Text Solution

    |

  6. Find the ratio of the total surface area and lateral surface area of a...

    Text Solution

    |

  7. The dimensions of a room are 5mxx4mxx3m. Find the cost of white washin...

    Text Solution

    |

  8. Find the length of the longest rod that can be placed in a room 12 m l...

    Text Solution

    |

  9. Can we construct a cube whose length of main diagonal is 13sqrt3cm and...

    Text Solution

    |

  10. Three equal cubes are placed adjacently in a row. Find the ratio of to...

    Text Solution

    |

  11. The momentum of a body is increased by 50% what is the percentage incr...

    Text Solution

    |

  12. The cost of preparing the walls of a room 12 m long at the rate of Rs ...

    Text Solution

    |

  13. The length and breadth of a room are in the ratio 4:3 and its height i...

    Text Solution

    |

  14. A class room is 7 m long, 6.5 m wide and 4 m high. It has one door 3 m...

    Text Solution

    |

  15. If V is the volume of a cuboid of dimensions a,b,c and S is its surfac...

    Text Solution

    |

  16. The areas of three adjacent faces of a cuboid are x,y and z. if the vo...

    Text Solution

    |

  17. Find the volume of the cuboid whose dimensions are length=26m, breadth...

    Text Solution

    |

  18. Find the volume of the cuboid whose dimensions are length=24 m, breadt...

    Text Solution

    |

  19. If the areas of three adjacent faces of a cuboid are 8cm^2,18cm^2 and ...

    Text Solution

    |

  20. The breadth of a room is twice its height and is half of its length. T...

    Text Solution

    |

  21. Two cubes, each of volume 512cm^3 are joined end to end. Find the surf...

    Text Solution

    |