Home
Class 10
MATHS
A right circular cone is 3.6 cm high ...

A right circular cone is 3.6 cm high and radius of its base is 1.6 cm. It is melted and recast into a right circular cone with radius of its base as 1.2 cm. Find its height.

Promotional Banner

Topper's Solved these Questions

  • STATISTICS

    RD SHARMA|Exercise All Questions|230 Videos
  • TRIANGLES

    RD SHARMA|Exercise All Questions|361 Videos

Similar Questions

Explore conceptually related problems

A right circular cone is 3.6cm high and radius of its base is 1.6cm .It is melted and recast into a right circular cone with radius of its base as 1.2cm. Find its height.

A right circular cone is 3.6 cm high and radius of its base is 1.6 cm. It is melted and recast into a right circular cone with radius of its base as 1.2 cm. Then the height of the cone {in cm) is- एक लंब-वृत्तीय शंकु की ऊँचाई 3.6 सेमी ओर उसके आधार की त्रिज्या 1.6 सेमी है। उसको पिघला कर उसे 1.2 सेमी आधार त्रिज्या वाले लंब-वृत्तीय शंकु में ढाला गया है। तदनुसार, उस नए शंकु कौ ऊँचाई कितने सेमी होगी?

A right circular cone is 5.4cm high and radius of its base is 2cm. It is melted and recast into another right circular one with radius of base as 1.5 cm. find the height of new cone formed.

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

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 .

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 right circular metal cone (solid) is 8 cm high and the radius is 2 cm. It is melted and recast into a sphere. What is the radius of the sphere?

The vertical height of a right circular cone is 9 cm and radius of its base is 4 cm. Find its volume.

A sphere of diameter 12.6 cm is melted and cast into a right circular cone of height 25.2 cm. The radius of the base of the cone is

The volume of a right circular cone is 74 cm^(3) and area of its base is 18.5 cm^(2) . Find its height.

RD SHARMA-SURFACE AREAS AND VOLUMES-All Questions
  1. How many spherical bullets can be made out of a solid cube of lead ...

    Text Solution

    |

  2. A sphere of diameter 6 cm is dropped in a right circular cylindrica...

    Text Solution

    |

  3. A right circular cone is 3.6 cm high and radius of its base is 1.6 ...

    Text Solution

    |

  4. A conical vessel whose internal radius is 5 cm and height 24 cm is ...

    Text Solution

    |

  5. The dimensions of a metallic cuboid are: 100\ c mxx80xx64\ c m . It...

    Text Solution

    |

  6. Find the number of coins, 1.5 cm in diameter and 0.2 cm thick, to b...

    Text Solution

    |

  7. A glass cylinder with diameter 20 cm has water to a height of 9 cm....

    Text Solution

    |

  8. 2.2 cubic dm of brass is to be drawn into a cylindrical wire 0.50 c...

    Text Solution

    |

  9. A well with 10 m inside diameter is dug 14 m deep. Earth taken out ...

    Text Solution

    |

  10. A 20 m deep well with diameter 7 m is dug and the earth from diggin...

    Text Solution

    |

  11. A well, whose diameter is 7m, has been dug 22.5 m deep and the earth d...

    Text Solution

    |

  12. Water is being pumped out through a circular pipe whose internal di...

    Text Solution

    |

  13. water is flowing at the rate of 2.52 km/h through a cylindrical pipe i...

    Text Solution

    |

  14. Water is flowing at the rate of 5 km/hour through a pipe of diameter 1...

    Text Solution

    |

  15. The rain water from a roof of 22\ mxx20\ m drains into a cylindr...

    Text Solution

    |

  16. Water in a canal, 30\ d m\ w i d e\ a n d\ 12 d m\ d e e p ,\ is f...

    Text Solution

    |

  17. A hemispherical tank of radius 1.75 m is full of water. It is conne...

    Text Solution

    |

  18. The barrel of a fountain pen, cylindrical in shape, is 7 cm long and 5...

    Text Solution

    |

  19. The cost of painting the total outside surface of a closed cylindri...

    Text Solution

    |

  20. A copper wire, 3 mm in diameter, is wound about a cylinder whose le...

    Text Solution

    |