Home
Class 14
MATHS
A solid cylinder of base radius 12cm and...

A solid cylinder of base radius 12cm and height 15 cm is melted and recast into n toys each in the shape of a right circular cone of height 9 cm mounted on a hemisphere of radius 3 cm. The value of n is :
आधार त्रिज्या 12 सेमी तथा ऊंचाई 15 सेमी वाले एक ठोस बेलन को पिघलाकर n खिलौने बनाए जाते हैं जिनमें से प्रत्येक 3 सेमी त्रिज्या वाले अर्धगोले के शीर्ष पर स्थित एक लम्ब वृत्तीय शंकु के आकार में हैं जिसकी ऊंचाई 9 सेमी है | n का मान ज्ञात करें |

A

27

B

64

C

48

D

54

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • MEAN, MEDIAN & MODE

    PINNACLE|Exercise EXERCISE|39 Videos
  • MIXTURE & ALLIGATION

    PINNACLE|Exercise EXERCISE|26 Videos
PINNACLE-MENSURATION-EXERCISE
  1. tank is in the form of a cuboid with length 12m. If 18 kilolitre of wa...

    Text Solution

    |

  2. The radius of the base of a right circular cylinder is 3 cm and its cu...

    Text Solution

    |

  3. A solid cylinder of base radius 12cm and height 15 cm is melted and re...

    Text Solution

    |

  4. The internal diameter of a hollow hemispherical vessel is 24 cm. It is...

    Text Solution

    |

  5. A sector of radius 10.5 cm with the central angle 120^@ is folded to f...

    Text Solution

    |

  6. 0.1 percent of 1.728 xx 10^6 spherical droplets of water, each of diam...

    Text Solution

    |

  7. If the volumes of two cubes are in the ratio 64:125, then what is the ...

    Text Solution

    |

  8. Radius of the base of a right circular cone and a sphere is each equal...

    Text Solution

    |

  9. The perimeter of a rhombus is 20 cm. The length of its one of the diag...

    Text Solution

    |

  10. The side of a square is 6 cm. Find the area of the largest circle that...

    Text Solution

    |

  11. The length, breadth and height of a cuboid is 15 cm, 12 cm and 11 cm r...

    Text Solution

    |

  12. The side of a cube is 15cm. What is the base area of a cuboid whose vo...

    Text Solution

    |

  13. The height of a right circular cone is 5 cm and its base radius is 12 ...

    Text Solution

    |

  14. The length, breadth and height of a cuboid are 5 cm, 2 cm and 4 cm res...

    Text Solution

    |

  15. 70 sticks each of unit length are combined to form a right angle trian...

    Text Solution

    |

  16. The radius of a sphere is equal to the base radius and height of a rig...

    Text Solution

    |

  17. The length of a cuboid is double of its breadth and its height is half...

    Text Solution

    |

  18. The diameter of a solid hemisphere is 35 cm. What is its total surface...

    Text Solution

    |

  19. The side of an equilateral triangle is 4 cm. What is its area ? एक स...

    Text Solution

    |

  20. A ribbon of equal width and length l is wrapped around the curved surf...

    Text Solution

    |