Home
Class 14
MATHS
From a circular sheet of paper of radiu...

From a circular sheet of paper of radius 25 cm, a sector area 4% is removed. If the remaining part is used to make a conical surface , then the ratio of the radius and height of the cone is :

A

0.68402777777778

B

0.39236111111111

C

0.3

D

24:7

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • LOGARITHM

    QUANTUM CAT|Exercise QUESTION BANK|159 Videos

  • NUMBER SYSTEM

    QUANTUM CAT|Exercise QUESTION BANK|1091 Videos

Similar Questions

Explore conceptually related problems

From a circular sheet of paper of radius 10cm, a sector of area 40% is removed. If the remaining part is used to make a conical surface, then the ratio of the radius and the height of the cone is- किसी कागज की गोलाकार सीट जिसकी त्रिज्या 10 सेमी से वृत्त खंड का 40% हटा दिया जाता है, यदि शेष हिस्से का प्रयोग करके एक शंकु बनाया जाता है, तो शंकु की त्रिज्या तथा ऊँचाई का अनुपात है।

A solid is in the shape of a cone mounted on a hemisphere of same base readius. If the curved surface areas of the hemisphere part and the conical part are equal then find the ratio of the radius and the height of the conical part.

The curved surface area of the cone of radius 5 cm and height 12 cm is

From a circular aluminium sheet of radius 14 cm, a sector of angle 45^(@) is removed. Find the percentage of the area of the sector removed.

From a circular sheet of paper with their radius 20 cm , four circles of radius 5 cm each is cutout .what is the ratio of uncut to the cut portion ?

A solid is hemispherical at the bottom and conical (of same radius) above it . If the surface areas of the two parts are equal then the ratio of its radius and the slant height of the conical part is

QUANTUM CAT-MENSURATION-QUESTION BANK
  1. If the diameter of the base of right circular cone is equal to 8 cm a...

    Text Solution

    |

  2. If the base radius and the height of a right circular cone are increas...

    Text Solution

    |

  3. From a circular sheet of paper of radius 25 cm, a sector area 4% is r...

    Text Solution

    |

  4. If the radius of the base is doubled , keeping the height constant , w...

    Text Solution

    |

  5. A largest posible cone is cut out from a cube of volume 1000 cm^(3) ...

    Text Solution

    |

  6. If the height and the radius of a cone are doubled, the volume of the ...

    Text Solution

    |

  7. A conical tent has 60^(@) angle at the vertex. The ratio of its radius...

    Text Solution

    |

  8. Water flows at the rate of 5 m per min from a cylindrical pipe 16 mm i...

    Text Solution

    |

  9. A reservoir is in the shape of a frustum of a right circular cone. ...

    Text Solution

    |

  10. A conical vessel whose internal radius is 10 cm and height 72 cm is fu...

    Text Solution

    |

  11. Find the volume and the surface area of a sphere of radius 3.5 cm.

    Text Solution

    |

  12. Find the volime, curved surface area and the total surface area of a h...

    Text Solution

    |

  13. How many bullets can be made from a sphere of 8 cm radius . The radiu...

    Text Solution

    |

  14. A sphere has the same curved surface as a cone of height 12 cm and bas...

    Text Solution

    |

  15. A spherical ball of lead 6 cm in radius is melted and recast into thre...

    Text Solution

    |

  16. The radius of a copper shpere is 12 cm. The sphere is melted and dr...

    Text Solution

    |

  17. A hemispherical bowl of internal radius 6 cm contains alcohol. This al...

    Text Solution

    |

  18. A hemispherical of lead of diameter 14 cm is cast into a right circula...

    Text Solution

    |

  19. The volume of a spherical shell whose external and internal diameters ...

    Text Solution

    |

  20. A solid metal ball of diameter 16 cm is melted and cast into smaller b...

    Text Solution

    |